12565572 has 12 divisors (see below), whose sum is σ = 29319696. Its totient is φ = 4188520.

The previous prime is 12565561. The next prime is 12565603. The reversal of 12565572 is 27556521.

It is a tau number, because it is divible by the number of its divisors (12).

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, 523554 + ... + 523577.

It is an arithmetic number, because the mean of its divisors is an integer number (2443308).

Almost surely, 2^12565572 is an apocalyptic number.

12565572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12565572 is an abundant number, since it is smaller than the sum of its proper divisors (16754124).

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

12565572 is a wasteful number, since it uses less digits than its factorization.

12565572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047138 (or 1047136 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 12565572 is about 3544.7950575456. The cubic root of 12565572 is about 232.4845451630.

The spelling of 12565572 in words is "twelve million, five hundred sixty-five thousand, five hundred seventy-two".