13320979932 has 192 divisors, whose sum is σ = 35064368640. Its totient is φ = 3910173696.

The previous prime is 13320979849. The next prime is 13320979967. The reversal of 13320979932 is 23997902331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76999798 + ... + 76999970.

It is an arithmetic number, because the mean of its divisors is an integer number (182626920).

Almost surely, 2^13320979932 is an apocalyptic number.

13320979932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320979932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17532184320).

13320979932 is an abundant number, since it is smaller than the sum of its proper divisors (21743388708).

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

13320979932 is a wasteful number, since it uses less digits than its factorization.

13320979932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 48.

The spelling of 13320979932 in words is "thirteen billion, three hundred twenty million, nine hundred seventy-nine thousand, nine hundred thirty-two".