13339404 has 60 divisors (see below), whose sum is σ = 37566144. Its totient is φ = 4103136.

The previous prime is 13339397. The next prime is 13339421. The reversal of 13339404 is 40493331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2629 + ... + 5795.

Almost surely, 2^13339404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13339404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18783072).

13339404 is an abundant number, since it is smaller than the sum of its proper divisors (24226740).

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

13339404 is a wasteful number, since it uses less digits than its factorization.

13339404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13339404 is about 3652.3148823725. The cubic root of 13339404 is about 237.1622026950.

The spelling of 13339404 in words is "thirteen million, three hundred thirty-nine thousand, four hundred four".