12585724 has 6 divisors (see below), whose sum is σ = 22025024. Its totient is φ = 6292860.

The previous prime is 12585701. The next prime is 12585731. The reversal of 12585724 is 42758521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12585724.

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, 1573212 + ... + 1573219.

Almost surely, 2^12585724 is an apocalyptic number.

It is an amenable number.

12585724 is a deficient number, since it is larger than the sum of its proper divisors (9439300).

12585724 is a wasteful number, since it uses less digits than its factorization.

12585724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146435 (or 3146433 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 12585724 is about 3547.6363962503. The cubic root of 12585724 is about 232.6087609236.

It can be divided in two parts, 125 and 85724, that added together give a square (85849 = 293²).

The spelling of 12585724 in words is "twelve million, five hundred eighty-five thousand, seven hundred twenty-four".