12833401728 has 128 divisors (see below), whose sum is σ = 41250366720. Its totient is φ = 3450986496.

The previous prime is 12833401621. The next prime is 12833401741. The reversal of 12833401728 is 82710433821.

It is a tau number, because it is divible by the number of its divisors (128).

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, 94726 + ... + 186117.

It is an arithmetic number, because the mean of its divisors is an integer number (322268490).

Almost surely, 2^12833401728 is an apocalyptic number.

It is an amenable number.

12833401728 is an abundant number, since it is smaller than the sum of its proper divisors (28416964992).

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

12833401728 is a wasteful number, since it uses less digits than its factorization.

12833401728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280884 (or 280872 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 12833401728 in words is "twelve billion, eight hundred thirty-three million, four hundred one thousand, seven hundred twenty-eight".