12257572 has 12 divisors (see below), whose sum is σ = 21513996. Its totient is φ = 6110720.

The previous prime is 12257563. The next prime is 12257573. The reversal of 12257572 is 27575221.

It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 4562496 = 2774^2 + 2136^2 .

It is not an unprimeable number, because it can be changed into a prime (12257573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (1792833).

Almost surely, 2^12257572 is an apocalyptic number.

It is an amenable number.

12257572 is a deficient number, since it is larger than the sum of its proper divisors (9256424).

12257572 is a wasteful number, since it uses less digits than its factorization.

12257572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038 (or 9036 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 12257572 is about 3501.0815471794. The cubic root of 12257572 is about 230.5693017228.

The spelling of 12257572 in words is "twelve million, two hundred fifty-seven thousand, five hundred seventy-two".