12931692 has 12 divisors (see below), whose sum is σ = 30173976. Its totient is φ = 4310560.

The previous prime is 12931669. The next prime is 12931739. The reversal of 12931692 is 29613921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538809 + ... + 538832.

It is an arithmetic number, because the mean of its divisors is an integer number (2514498).

Almost surely, 2^12931692 is an apocalyptic number.

12931692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12931692 is an abundant number, since it is smaller than the sum of its proper divisors (17242284).

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

12931692 is a wasteful number, since it uses less digits than its factorization.

12931692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077648 (or 1077646 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 12931692 is about 3596.0661840406. The cubic root of 12931692 is about 234.7209120823.

The spelling of 12931692 in words is "twelve million, nine hundred thirty-one thousand, six hundred ninety-two".