13344664 has 8 divisors (see below), whose sum is σ = 25021260. Its totient is φ = 6672328.

The previous prime is 13344641. The next prime is 13344671. The reversal of 13344664 is 46644331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 834034 + ... + 834049.

Almost surely, 2^13344664 is an apocalyptic number.

It is an amenable number.

13344664 is a deficient number, since it is larger than the sum of its proper divisors (11676596).

13344664 is a wasteful number, since it uses less digits than its factorization.

13344664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668089 (or 1668085 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 13344664 is about 3653.0349026529. The cubic root of 13344664 is about 237.1933712353.

Adding to 13344664 its reverse (46644331), we get a palindrome (59988995).

The spelling of 13344664 in words is "thirteen million, three hundred forty-four thousand, six hundred sixty-four".