13351262172 has 12 divisors (see below), whose sum is σ = 31152945096. Its totient is φ = 4450420720.

The previous prime is 13351262159. The next prime is 13351262189. The reversal of 13351262172 is 27126215331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 556302579 + ... + 556302602.

It is an arithmetic number, because the mean of its divisors is an integer number (2596078758).

Almost surely, 2^13351262172 is an apocalyptic number.

13351262172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13351262172 is an abundant number, since it is smaller than the sum of its proper divisors (17801682924).

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

13351262172 is a wasteful number, since it uses less digits than its factorization.

13351262172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112605188 (or 1112605186 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The spelling of 13351262172 in words is "thirteen billion, three hundred fifty-one million, two hundred sixty-two thousand, one hundred seventy-two".