13215465372 has 48 divisors (see below), whose sum is σ = 33409297152. Its totient is φ = 4049606400.

The previous prime is 13215465349. The next prime is 13215465377. The reversal of 13215465372 is 27356451231.

It is a self number, because there is not a number n which added to its sum of digits gives 13215465372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215465377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744504 + ... + 762047.

It is an arithmetic number, because the mean of its divisors is an integer number (696027024).

Almost surely, 2^13215465372 is an apocalyptic number.

13215465372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13215465372 is an abundant number, since it is smaller than the sum of its proper divisors (20193831780).

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

13215465372 is a wasteful number, since it uses less digits than its factorization.

13215465372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506618 (or 1506616 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The spelling of 13215465372 in words is "thirteen billion, two hundred fifteen million, four hundred sixty-five thousand, three hundred seventy-two".