13065664 has 14 divisors (see below), whose sum is σ = 25927304. Its totient is φ = 6532800.

The previous prime is 13065659. The next prime is 13065709. The reversal of 13065664 is 46656031.

13065664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102012 + ... + 102139.

Almost surely, 2^13065664 is an apocalyptic number.

It is an amenable number.

13065664 is a deficient number, since it is larger than the sum of its proper divisors (12861640).

13065664 is an equidigital number, since it uses as much as digits as its factorization.

13065664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204163 (or 204153 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 13065664 is about 3614.6457641102. The cubic root of 13065664 is about 235.5286964879.

The spelling of 13065664 in words is "thirteen million, sixty-five thousand, six hundred sixty-four".