13626404 has 48 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 5846400.

The previous prime is 13626257. The next prime is 13626407. The reversal of 13626404 is 40462631.

It is not an unprimeable number, because it can be changed into a prime (13626407) 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 15 ways as a sum of consecutive naturals, for example, 75194 + ... + 75374.

It is an arithmetic number, because the mean of its divisors is an integer number (573300).

Almost surely, 2^13626404 is an apocalyptic number.

It is an amenable number.

13626404 is an abundant number, since it is smaller than the sum of its proper divisors (13891996).

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

13626404 is a wasteful number, since it uses less digits than its factorization.

13626404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13626404 is about 3691.3959419168. The cubic root of 13626404 is about 238.8510126918.

The spelling of 13626404 in words is "thirteen million, six hundred twenty-six thousand, four hundred four".