12624440 has 32 divisors (see below), whose sum is σ = 29324160. Its totient is φ = 4886400.

The previous prime is 12624431. The next prime is 12624461. The reversal of 12624440 is 4442621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (916380).

Almost surely, 2^12624440 is an apocalyptic number.

12624440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12624440 is an abundant number, since it is smaller than the sum of its proper divisors (16699720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12624440 is a wasteful number, since it uses less digits than its factorization.

12624440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223 (or 10219 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 12624440 is about 3553.0887970891. The cubic root of 12624440 is about 232.8470325336.

The spelling of 12624440 in words is "twelve million, six hundred twenty-four thousand, four hundred forty".