12645572 has 12 divisors (see below), whose sum is σ = 22209936. Its totient is φ = 6299880.

The previous prime is 12645547. The next prime is 12645623. The reversal of 12645572 is 27554621.

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, 4454 + ... + 6717.

It is an arithmetic number, because the mean of its divisors is an integer number (1850828).

Almost surely, 2^12645572 is an apocalyptic number.

It is an amenable number.

12645572 is a deficient number, since it is larger than the sum of its proper divisors (9564364).

12645572 is a wasteful number, since it uses less digits than its factorization.

12645572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458 (or 11456 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 12645572 is about 3556.0613043085. The cubic root of 12645572 is about 232.9768806842.

The spelling of 12645572 in words is "twelve million, six hundred forty-five thousand, five hundred seventy-two".