13246664 has 16 divisors (see below), whose sum is σ = 24929520. Its totient is φ = 6598800.

The previous prime is 13246657. The next prime is 13246669. The reversal of 13246664 is 46664231.

It is a super-3 number, since 3×13246664³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13246664.

It is not an unprimeable number, because it can be changed into a prime (13246669) 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, 662 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (1558095).

Almost surely, 2^13246664 is an apocalyptic number.

It is an amenable number.

13246664 is a deficient number, since it is larger than the sum of its proper divisors (11682856).

13246664 is a wasteful number, since it uses less digits than its factorization.

13246664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140 (or 6136 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 13246664 is about 3639.5966809524. The cubic root of 13246664 is about 236.6113137316.

The spelling of 13246664 in words is "thirteen million, two hundred forty-six thousand, six hundred sixty-four".