13172696782 has 16 divisors (see below), whose sum is σ = 22591307232. Its totient is φ = 5643056160.

The previous prime is 13172696759. The next prime is 13172696783. The reversal of 13172696782 is 28769627131.

13172696782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172696783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164253 + ... + 230920.

It is an arithmetic number, because the mean of its divisors is an integer number (1411956702).

Almost surely, 2^13172696782 is an apocalyptic number.

13172696782 is a deficient number, since it is larger than the sum of its proper divisors (9418610450).

13172696782 is a wasteful number, since it uses less digits than its factorization.

13172696782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397563.

The product of its digits is 1524096, while the sum is 52.

The spelling of 13172696782 in words is "thirteen billion, one hundred seventy-two million, six hundred ninety-six thousand, seven hundred eighty-two".