In Hebraic, "13" corresponds to the letter "mem", which represents rebirth and freedom.
For the Jews, is also represents evolution or fate.
In Numerology, it is the resumption, to begin something new.
It is also the number of the organized system and of beneficial conclusion.
"13" is the symbol of the specific and particular.
It is considered a exception of the rule, a marginal number.
Thirteen is associated with initiation.
In India, "13" is considered a sacred number.
In China, it is related with positive mystical things.
The Mayans considered the "13" as something sacred.
The American seal has an eagle sustaining a shield with 13 stripes, and also holding 13 olive branches in its right paw and 13 arrows in its left paw.
The Brazilian soccer coach Zagallo always uses the "13" as his lucky number-amulet.
The thirteenth Tarot card is "Death", which stands for transformation, change and renovation.