12457825 has 12 divisors (see below), whose sum is σ = 16261360. Its totient is φ = 9441360.

The previous prime is 12457817. The next prime is 12457859. The reversal of 12457825 is 52875421.

It is a happy number.

It is not a de Polignac number, because 12457825 - 2³ = 12457817 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12639 + ... + 13588.

Almost surely, 2^12457825 is an apocalyptic number.

It is an amenable number.

12457825 is a deficient number, since it is larger than the sum of its proper divisors (3803535).

12457825 is a wasteful number, since it uses less digits than its factorization.

12457825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26256 (or 26251 counting only the distinct ones).

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

The square root of 12457825 is about 3529.5644207182. The cubic root of 12457825 is about 231.8181355656.

The spelling of 12457825 in words is "twelve million, four hundred fifty-seven thousand, eight hundred twenty-five".