12931716 has 24 divisors (see below), whose sum is σ = 34484800. Its totient is φ = 3694752.

The previous prime is 12931669. The next prime is 12931739. The reversal of 12931716 is 61713921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76891 + ... + 77058.

Almost surely, 2^12931716 is an apocalyptic number.

It is an amenable number.

12931716 is an abundant number, since it is smaller than the sum of its proper divisors (21553084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12931716 is a wasteful number, since it uses less digits than its factorization.

12931716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153963 (or 153961 counting only the distinct ones).

The product of its digits is 2268, while the sum is 30.

The square root of 12931716 is about 3596.0695210187. The cubic root of 12931716 is about 234.7210572889.

The spelling of 12931716 in words is "twelve million, nine hundred thirty-one thousand, seven hundred sixteen".