13026607728 has 40 divisors (see below), whose sum is σ = 33771017088. Its totient is φ = 4326854592.

The previous prime is 13026607717. The next prime is 13026607747. The reversal of 13026607728 is 82770662031.

It is a self number, because there is not a number n which added to its sum of digits gives 13026607728.

It is a congruent number.

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, 465900 + ... + 493067.

Almost surely, 2^13026607728 is an apocalyptic number.

It is an amenable number.

13026607728 is an abundant number, since it is smaller than the sum of its proper divisors (20744409360).

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

13026607728 is a wasteful number, since it uses less digits than its factorization.

13026607728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959261 (or 959255 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 13026607728 in words is "thirteen billion, twenty-six million, six hundred seven thousand, seven hundred twenty-eight".