NO
It means one more than twelve just the same as it does everywhere else and for superstitious people everywhere it is considered to be unlucky.
If this is a yes or no question, then the answer is yes.
2 fives is less than 1 half
23
13>20
Yes.
72
Are twelve wise men more wise than one? or will twelve fools, put together, make one sage? Are twelve honest men more honest than one? Herman Melville
Frankly, I would have thought there were more than thirteen. See below link:
More than thirteen.
Twelve more than half of 16 is twenty.Since 20 minus 12 is 8, and half of 16 is 8, then 12 more than half of 16 is 20.
Twelve has six letters, seventeen has nine.