13217374752 has 24 divisors (see below), whose sum is σ = 34695608976. Its totient is φ = 4405791552.

The previous prime is 13217374679. The next prime is 13217374763. The reversal of 13217374752 is 25747371231.

It is a tau number, because it is divible by the number of its divisors (24).

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, 68840398 + ... + 68840589.

It is an arithmetic number, because the mean of its divisors is an integer number (1445650374).

Almost surely, 2^13217374752 is an apocalyptic number.

13217374752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13217374752 is an abundant number, since it is smaller than the sum of its proper divisors (21478234224).

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

13217374752 is a wasteful number, since it uses less digits than its factorization.

13217374752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137681000 (or 137680992 counting only the distinct ones).

The product of its digits is 246960, while the sum is 42.

The spelling of 13217374752 in words is "thirteen billion, two hundred seventeen million, three hundred seventy-four thousand, seven hundred fifty-two".