13209980928 has 208 divisors, whose sum is σ = 36517443840. Its totient is φ = 4244635648.

The previous prime is 13209980909. The next prime is 13209980947. The reversal of 13209980928 is 82908990231.

It is an interprime number because it is at equal distance from previous prime (13209980909) and next prime (13209980947).

It is a super-2 number, since 2×13209980928² (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 15 ways as a sum of consecutive naturals, for example, 51400576 + ... + 51400832.

Almost surely, 2^13209980928 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 13209980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258721920).

13209980928 is an abundant number, since it is smaller than the sum of its proper divisors (23307462912).

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

13209980928 is an equidigital number, since it uses as much as digits as its factorization.

13209980928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 13209980928 in words is "thirteen billion, two hundred nine million, nine hundred eighty thousand, nine hundred twenty-eight".