13216076788 has 12 divisors (see below), whose sum is σ = 23142484260. Its totient is φ = 6603938432.

The previous prime is 13216076773. The next prime is 13216076807. The reversal of 13216076788 is 88767061231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6005010064 + 7211066724 = 77492^2 + 84918^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017733 + ... + 1030636.

It is an arithmetic number, because the mean of its divisors is an integer number (1928540355).

Almost surely, 2^13216076788 is an apocalyptic number.

It is an amenable number.

13216076788 is a deficient number, since it is larger than the sum of its proper divisors (9926407472).

13216076788 is a wasteful number, since it uses less digits than its factorization.

13216076788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049986 (or 2049984 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 13216076788 in words is "thirteen billion, two hundred sixteen million, seventy-six thousand, seven hundred eighty-eight".