12645392 has 20 divisors (see below), whose sum is σ = 25346220. Its totient is φ = 6104448.

The previous prime is 12645389. The next prime is 12645401. The reversal of 12645392 is 29354621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6574096 + 6071296 = 2564^2 + 2464^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13163 + ... + 14090.

It is an arithmetic number, because the mean of its divisors is an integer number (1267311).

Almost surely, 2^12645392 is an apocalyptic number.

It is an amenable number.

12645392 is an abundant number, since it is smaller than the sum of its proper divisors (12700828).

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

12645392 is a wasteful number, since it uses less digits than its factorization.

12645392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27290 (or 27284 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 12645392 is about 3556.0359953184. The cubic root of 12645392 is about 232.9757752633.

The spelling of 12645392 in words is "twelve million, six hundred forty-five thousand, three hundred ninety-two".