12865724 has 6 divisors (see below), whose sum is σ = 22515024. Its totient is φ = 6432860.

The previous prime is 12865711. The next prime is 12865757. The reversal of 12865724 is 42756821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608212 + ... + 1608219.

It is an arithmetic number, because the mean of its divisors is an integer number (3752504).

Almost surely, 2^12865724 is an apocalyptic number.

It is an amenable number.

12865724 is a deficient number, since it is larger than the sum of its proper divisors (9649300).

12865724 is a wasteful number, since it uses less digits than its factorization.

12865724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216435 (or 3216433 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 12865724 is about 3586.8822116150. The cubic root of 12865724 is about 234.3211068737.

The spelling of 12865724 in words is "twelve million, eight hundred sixty-five thousand, seven hundred twenty-four".