12624401 has 12 divisors (see below), whose sum is σ = 13485888. Its totient is φ = 11794464.

The previous prime is 12624389. The next prime is 12624419. The reversal of 12624401 is 10442621.

It is not a de Polignac number, because 12624401 - 2¹⁴ = 12608017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12624431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122516 + ... + 122618.

It is an arithmetic number, because the mean of its divisors is an integer number (1123824).

Almost surely, 2^12624401 is an apocalyptic number.

It is an amenable number.

12624401 is a deficient number, since it is larger than the sum of its proper divisors (861487).

12624401 is an equidigital number, since it uses as much as digits as its factorization.

12624401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12624401 is about 3553.0833089023. The cubic root of 12624401 is about 232.8467927594.

The spelling of 12624401 in words is "twelve million, six hundred twenty-four thousand, four hundred one".