12620392 has 32 divisors (see below), whose sum is σ = 25427520. Its totient is φ = 5850880.

The previous prime is 12620383. The next prime is 12620401. The reversal of 12620392 is 29302621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12620383) and next prime (12620401).

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, 9003 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (794610).

Almost surely, 2^12620392 is an apocalyptic number.

It is an amenable number.

12620392 is an abundant number, since it is smaller than the sum of its proper divisors (12807128).

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

12620392 is a wasteful number, since it uses less digits than its factorization.

12620392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12620392 is about 3552.5191062118. The cubic root of 12620392 is about 232.8221425702.

The spelling of 12620392 in words is "twelve million, six hundred twenty thousand, three hundred ninety-two".