It is an unprimeable number.
Almost surely, 212631680 is an apocalyptic number.
12631680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12631680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24235200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12631680 is a wasteful number, since it uses less digits than its factorization.
12631680 is an odious number, because the sum of its binary digits is odd.
The square root of 12631680 is about 3554.1074828992. The cubic root of 12631680 is about 232.8915359030.
The spelling of 12631680 in words is "twelve million, six hundred thirty-one thousand, six hundred eighty".