13355644 has 12 divisors (see below), whose sum is σ = 23406544. Its totient is φ = 6668064.

The previous prime is 13355623. The next prime is 13355669. The reversal of 13355644 is 44655331.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 1264 + ... + 5320.

Almost surely, 2^13355644 is an apocalyptic number.

It is an amenable number.

13355644 is a deficient number, since it is larger than the sum of its proper divisors (10050900).

13355644 is a wasteful number, since it uses less digits than its factorization.

13355644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884 (or 4882 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 13355644 is about 3654.5374536321. The cubic root of 13355644 is about 237.2584076985.

The spelling of 13355644 in words is "thirteen million, three hundred fifty-five thousand, six hundred forty-four".