Q: What is the sum of all factors of the number 12,213 excluding 12,213?
A: 6,507
The factors of the number 12,213 are: 1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213.
If you add them up, you will get the total of 12,219. Now subtract 12,213 to get 6,507