13616404 has 12 divisors (see below), whose sum is σ = 23857344. Its totient is φ = 6800024.

The previous prime is 13616401. The next prime is 13616411. The reversal of 13616404 is 40461631.

13616404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (1988112).

Almost surely, 2^13616404 is an apocalyptic number.

It is an amenable number.

13616404 is a deficient number, since it is larger than the sum of its proper divisors (10240940).

13616404 is a wasteful number, since it uses less digits than its factorization.

13616404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13616404 is about 3690.0411921820. The cubic root of 13616404 is about 238.7925699153.

The spelling of 13616404 in words is "thirteen million, six hundred sixteen thousand, four hundred four".