13371664 has 20 divisors (see below), whose sum is σ = 26744320. Its totient is φ = 6469920.

The previous prime is 13371653. The next prime is 13371691. The reversal of 13371664 is 46617331.

13371664 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12984 + ... + 13975.

It is an arithmetic number, because the mean of its divisors is an integer number (1337216).

Almost surely, 2^13371664 is an apocalyptic number.

It is an amenable number.

13371664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13371664 is a wasteful number, since it uses less digits than its factorization.

13371664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998 (or 26992 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 13371664 is about 3656.7285926084. The cubic root of 13371664 is about 237.3532330521.

Adding to 13371664 its reverse (46617331), we get a palindrome (59988995).

The spelling of 13371664 in words is "thirteen million, three hundred seventy-one thousand, six hundred sixty-four".