12657452 has 24 divisors (see below), whose sum is σ = 24476256. Its totient is φ = 5696768.

The previous prime is 12657443. The next prime is 12657457. The reversal of 12657452 is 25475621.

It is a super-2 number, since 2×12657452² = 320422182264608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12657457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (1019844).

Almost surely, 2^12657452 is an apocalyptic number.

It is an amenable number.

12657452 is a deficient number, since it is larger than the sum of its proper divisors (11818804).

12657452 is a wasteful number, since it uses less digits than its factorization.

12657452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137 (or 8135 counting only the distinct ones).

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

The square root of 12657452 is about 3557.7312995784. The cubic root of 12657452 is about 233.0498152803.

The spelling of 12657452 in words is "twelve million, six hundred fifty-seven thousand, four hundred fifty-two".