13147171232 has 48 divisors (see below), whose sum is σ = 27885241440. Its totient is φ = 6065594112.

The previous prime is 13147171171. The next prime is 13147171241. The reversal of 13147171232 is 23217174131.

It is a super-2 number, since 2×13147171232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567883 + ... + 1576245.

It is an arithmetic number, because the mean of its divisors is an integer number (580942530).

Almost surely, 2^13147171232 is an apocalyptic number.

It is an amenable number.

13147171232 is an abundant number, since it is smaller than the sum of its proper divisors (14738070208).

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

13147171232 is a wasteful number, since it uses less digits than its factorization.

13147171232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12165 (or 12157 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The spelling of 13147171232 in words is "thirteen billion, one hundred forty-seven million, one hundred seventy-one thousand, two hundred thirty-two".