13426664 has 32 divisors (see below), whose sum is σ = 26896320. Its totient is φ = 6268416.

The previous prime is 13426657. The next prime is 13426667. The reversal of 13426664 is 46662431.

It is a self number, because there is not a number n which added to its sum of digits gives 13426664.

It is not an unprimeable number, because it can be changed into a prime (13426667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7064 + ... + 8760.

It is an arithmetic number, because the mean of its divisors is an integer number (840510).

Almost surely, 2^13426664 is an apocalyptic number.

It is an amenable number.

13426664 is an abundant number, since it is smaller than the sum of its proper divisors (13469656).

13426664 is a wasteful number, since it uses less digits than its factorization.

13426664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1765 counting only the distinct ones).

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

The square root of 13426664 is about 3664.2412584326. The cubic root of 13426664 is about 237.6782130551.

The spelling of 13426664 in words is "thirteen million, four hundred twenty-six thousand, six hundred sixty-four".