13624401 has 12 divisors (see below), whose sum is σ = 21131952. Its totient is φ = 7785288.

The previous prime is 13624397. The next prime is 13624427. The reversal of 13624401 is 10442631.

It is not a de Polignac number, because 13624401 - 2² = 13624397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13624451) by changing a digit.

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, 46195 + ... + 46488.

It is an arithmetic number, because the mean of its divisors is an integer number (1760996).

Almost surely, 2^13624401 is an apocalyptic number.

It is an amenable number.

13624401 is a deficient number, since it is larger than the sum of its proper divisors (7507551).

13624401 is an equidigital number, since it uses as much as digits as its factorization.

13624401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92700 (or 92693 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13624401 is about 3691.1246253683. The cubic root of 13624401 is about 238.8393088942.

The spelling of 13624401 in words is "thirteen million, six hundred twenty-four thousand, four hundred one".