12624425 has 24 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 8859200.

The previous prime is 12624419. The next prime is 12624427. The reversal of 12624425 is 52442621.

It is not a de Polignac number, because 12624425 - 2⁸ = 12624169 is a prime.

It is a super-2 number, since 2×12624425² = 318752213161250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12624394 and 12624403.

It is not an unprimeable number, because it can be changed into a prime (12624427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7184 + ... + 8766.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^12624425 is an apocalyptic number.

It is an amenable number.

12624425 is a deficient number, since it is larger than the sum of its proper divisors (5053015).

12624425 is a wasteful number, since it uses less digits than its factorization.

12624425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1628 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 12624425 is about 3553.0866862490. The cubic root of 12624425 is about 232.8469403128.

The spelling of 12624425 in words is "twelve million, six hundred twenty-four thousand, four hundred twenty-five".