12907392 has 32 divisors (see below), whose sum is σ = 34286280. Its totient is φ = 4302336.

The previous prime is 12907387. The next prime is 12907399. The reversal of 12907392 is 29370921.

It is a tau number, because it is divible by the number of its divisors (32).

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12907399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16423 + ... + 17190.

Almost surely, 2^12907392 is an apocalyptic number.

12907392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12907392 is an abundant number, since it is smaller than the sum of its proper divisors (21378888).

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

12907392 is an equidigital number, since it uses as much as digits as its factorization.

12907392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630 (or 33618 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12907392 is about 3592.6859033319. The cubic root of 12907392 is about 234.5737981928.

The spelling of 12907392 in words is "twelve million, nine hundred seven thousand, three hundred ninety-two".