13328899072 has 44 divisors (see below), whose sum is σ = 26671198176. Its totient is φ = 6657843200.

The previous prime is 13328899069. The next prime is 13328899091. The reversal of 13328899072 is 27099882331.

It is a super-2 number, since 2×13328899072² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123572 + ... + 1135372.

Almost surely, 2^13328899072 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 13328899072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13335599088).

13328899072 is an abundant number, since it is smaller than the sum of its proper divisors (13342299104).

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

13328899072 is a wasteful number, since it uses less digits than its factorization.

13328899072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 13328899072 in words is "thirteen billion, three hundred twenty-eight million, eight hundred ninety-nine thousand, seventy-two".