13173052872 has 128 divisors (see below), whose sum is σ = 38746794240. Its totient is φ = 3653268480.

The previous prime is 13173052861. The next prime is 13173052891. The reversal of 13173052872 is 27825037131.

It is a self number, because there is not a number n which added to its sum of digits gives 13173052872.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2863278 + ... + 2867874.

It is an arithmetic number, because the mean of its divisors is an integer number (302709330).

Almost surely, 2^13173052872 is an apocalyptic number.

13173052872 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 13173052872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19373397120).

13173052872 is an abundant number, since it is smaller than the sum of its proper divisors (25573741368).

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

13173052872 is a wasteful number, since it uses less digits than its factorization.

13173052872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 13173052872 in words is "thirteen billion, one hundred seventy-three million, fifty-two thousand, eight hundred seventy-two".