13673644 has 24 divisors (see below), whose sum is σ = 25483248. Its totient is φ = 6397440.

The previous prime is 13673603. The next prime is 13673651. The reversal of 13673644 is 44637631.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13872 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (1061802).

Almost surely, 2^13673644 is an apocalyptic number.

It is an amenable number.

13673644 is a deficient number, since it is larger than the sum of its proper divisors (11809604).

13673644 is a wasteful number, since it uses less digits than its factorization.

13673644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1183 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 13673644 is about 3697.7890691601. The cubic root of 13673644 is about 239.1267104692.

The spelling of 13673644 in words is "thirteen million, six hundred seventy-three thousand, six hundred forty-four".