13440604 has 12 divisors (see below), whose sum is σ = 23568328. Its totient is φ = 6706800.

The previous prime is 13440599. The next prime is 13440607. The reversal of 13440604 is 40604431.

It is a happy number.

13440604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440607) 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, 942 + ... + 5269.

Almost surely, 2^13440604 is an apocalyptic number.

It is an amenable number.

13440604 is a deficient number, since it is larger than the sum of its proper divisors (10127724).

13440604 is a wasteful number, since it uses less digits than its factorization.

13440604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 13440604 is about 3666.1429322927. The cubic root of 13440604 is about 237.7604396929.

The spelling of 13440604 in words is "thirteen million, four hundred forty thousand, six hundred four".