12457036 has 18 divisors (see below), whose sum is σ = 22123500. Its totient is φ = 6137352.

The previous prime is 12457019. The next prime is 12457043. The reversal of 12457036 is 63075421.

It is a junction number, because it is equal to n+sod(n) for n = 12456995 and 12457013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24715 + ... + 25213.

Almost surely, 2^12457036 is an apocalyptic number.

It is an amenable number.

12457036 is a deficient number, since it is larger than the sum of its proper divisors (9666464).

12457036 is an equidigital number, since it uses as much as digits as its factorization.

12457036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12457036 is about 3529.4526487828. The cubic root of 12457036 is about 231.8132414964.

It can be divided in two parts, 1245 and 7036, that added together give a square (8281 = 91²).

The spelling of 12457036 in words is "twelve million, four hundred fifty-seven thousand, thirty-six".