13676664 has 16 divisors (see below), whose sum is σ = 34191720. Its totient is φ = 4558880.

The previous prime is 13676647. The next prime is 13676669. The reversal of 13676664 is 46667631.

It is a happy number.

It is a super-2 number, since 2×13676664² = 374102276337792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13676669) 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, 284907 + ... + 284954.

Almost surely, 2^13676664 is an apocalyptic number.

It is an amenable number.

13676664 is an abundant number, since it is smaller than the sum of its proper divisors (20515056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13676664 is a wasteful number, since it uses less digits than its factorization.

13676664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569870 (or 569866 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 13676664 is about 3698.1973987336. The cubic root of 13676664 is about 239.1443139090.

The spelling of 13676664 in words is "thirteen million, six hundred seventy-six thousand, six hundred sixty-four".