13073664 has 72 divisors (see below), whose sum is σ = 36056160. Its totient is φ = 4200448.

The previous prime is 13073659. The next prime is 13073681. The reversal of 13073664 is 46637031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21979 + ... + 22565.

It is an arithmetic number, because the mean of its divisors is an integer number (500780).

Almost surely, 2^13073664 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 13073664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18028080).

13073664 is an abundant number, since it is smaller than the sum of its proper divisors (22982496).

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

13073664 is an equidigital number, since it uses as much as digits as its factorization.

13073664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 13073664 is about 3615.7522038989. The cubic root of 13073664 is about 235.5767574497.

The spelling of 13073664 in words is "thirteen million, seventy-three thousand, six hundred sixty-four".