13407644 has 12 divisors (see below), whose sum is σ = 23649024. Its totient is φ = 6650784.

The previous prime is 13407629. The next prime is 13407659. The reversal of 13407644 is 44670431.

13407644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13407629) and next prime (13407659).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12689 + ... + 13704.

It is an arithmetic number, because the mean of its divisors is an integer number (1970752).

Almost surely, 2^13407644 is an apocalyptic number.

It is an amenable number.

13407644 is a deficient number, since it is larger than the sum of its proper divisors (10241380).

13407644 is a wasteful number, since it uses less digits than its factorization.

13407644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26524 (or 26522 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 13407644 is about 3661.6449855222. The cubic root of 13407644 is about 237.5659296188.

The spelling of 13407644 in words is "thirteen million, four hundred seven thousand, six hundred forty-four".