13320339328 has 64 divisors (see below), whose sum is σ = 26912430720. Its totient is φ = 6566192640.

The previous prime is 13320339287. The next prime is 13320339397. The reversal of 13320339328 is 82393302331.

13320339328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6702751 + ... + 6704737.

It is an arithmetic number, because the mean of its divisors is an integer number (420506730).

Almost surely, 2^13320339328 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 13320339328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13456215360).

13320339328 is an abundant number, since it is smaller than the sum of its proper divisors (13592091392).

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

13320339328 is an equidigital number, since it uses as much as digits as its factorization.

13320339328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 13320339328 in words is "thirteen billion, three hundred twenty million, three hundred thirty-nine thousand, three hundred twenty-eight".