12931092 has 36 divisors (see below), whose sum is σ = 33744256. Its totient is φ = 4170960.

The previous prime is 12931091. The next prime is 12931103. The reversal of 12931092 is 29013921.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4678 + ... + 6909.

Almost surely, 2^12931092 is an apocalyptic number.

12931092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12931092 is an abundant number, since it is smaller than the sum of its proper divisors (20813164).

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

12931092 is a wasteful number, since it uses less digits than its factorization.

12931092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628 (or 11623 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12931092 is about 3595.9827585794. The cubic root of 12931092 is about 234.7172818607.

The spelling of 12931092 in words is "twelve million, nine hundred thirty-one thousand, ninety-two".