13380664 has 48 divisors (see below), whose sum is σ = 28823760. Its totient is φ = 5808000.

The previous prime is 13380659. The next prime is 13380707. The reversal of 13380664 is 46608331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21964 + ... + 22564.

It is an arithmetic number, because the mean of its divisors is an integer number (600495).

Almost surely, 2^13380664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13380664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14411880).

13380664 is an abundant number, since it is smaller than the sum of its proper divisors (15443096).

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

13380664 is a wasteful number, since it uses less digits than its factorization.

13380664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 13380664 is about 3657.9589937559. The cubic root of 13380664 is about 237.4064724997.

Adding to 13380664 its reverse (46608331), we get a palindrome (59988995).

The spelling of 13380664 in words is "thirteen million, three hundred eighty thousand, six hundred sixty-four".