12947595232 has 96 divisors (see below), whose sum is σ = 29988493920. Its totient is φ = 5425029120.

The previous prime is 12947595187. The next prime is 12947595251. The reversal of 12947595232 is 23259574921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359444 + ... + 4362412.

It is an arithmetic number, because the mean of its divisors is an integer number (312380145).

Almost surely, 2^12947595232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12947595232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14994246960).

12947595232 is an abundant number, since it is smaller than the sum of its proper divisors (17040898688).

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

12947595232 is a wasteful number, since it uses less digits than its factorization.

12947595232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3948 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The spelling of 12947595232 in words is "twelve billion, nine hundred forty-seven million, five hundred ninety-five thousand, two hundred thirty-two".