13307904 has 117 divisors (see below), whose sum is σ = 40570023. Its totient is φ = 4202496.

The previous prime is 13307893. The next prime is 13307927. The reversal of 13307904 is 40970331.

The square root of 13307904 is 3648.

It is a perfect power (a square), and thus also a powerful number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 700407 + ... + 700425.

Almost surely, 2^13307904 is an apocalyptic number.

13307904 is the 3648-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13307904

13307904 is an abundant number, since it is smaller than the sum of its proper divisors (27262119).

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

13307904 is an equidigital number, since it uses as much as digits as its factorization.

13307904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The cubic root of 13307904 is about 236.9753753190.

The spelling of 13307904 in words is "thirteen million, three hundred seven thousand, nine hundred four".