12934375728 has 80 divisors (see below), whose sum is σ = 34004299776. Its totient is φ = 4235616000.

The previous prime is 12934375721. The next prime is 12934375733. The reversal of 12934375728 is 82757343921.

It is not an unprimeable number, because it can be changed into a prime (12934375721) 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, 1226478 + ... + 1236978.

Almost surely, 2^12934375728 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 12934375728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17002149888).

12934375728 is an abundant number, since it is smaller than the sum of its proper divisors (21069924048).

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

12934375728 is a wasteful number, since it uses less digits than its factorization.

12934375728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10962 (or 10956 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 12934375728 in words is "twelve billion, nine hundred thirty-four million, three hundred seventy-five thousand, seven hundred twenty-eight".