13127037728 has 24 divisors (see below), whose sum is σ = 29535835392. Its totient is φ = 5625873216.

The previous prime is 13127037727. The next prime is 13127037731. The reversal of 13127037728 is 82773072131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13127037727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29301200 + ... + 29301647.

It is an arithmetic number, because the mean of its divisors is an integer number (1230659808).

Almost surely, 2^13127037728 is an apocalyptic number.

It is an amenable number.

13127037728 is an abundant number, since it is smaller than the sum of its proper divisors (16408797664).

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

13127037728 is an equidigital number, since it uses as much as digits as its factorization.

13127037728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58602864 (or 58602856 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 13127037728 in words is "thirteen billion, one hundred twenty-seven million, thirty-seven thousand, seven hundred twenty-eight".