13172065683 has 24 divisors (see below), whose sum is σ = 20765077200. Its totient is φ = 7403497920.

The previous prime is 13172065679. The next prime is 13172065691. The reversal of 13172065683 is 38656027131.

It is not a de Polignac number, because 13172065683 - 2² = 13172065679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13172065603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 725508 + ... + 743441.

It is an arithmetic number, because the mean of its divisors is an integer number (865211550).

Almost surely, 2^13172065683 is an apocalyptic number.

13172065683 is a deficient number, since it is larger than the sum of its proper divisors (7593011517).

13172065683 is a wasteful number, since it uses less digits than its factorization.

13172065683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469027 (or 1469020 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 13172065683 in words is "thirteen billion, one hundred seventy-two million, sixty-five thousand, six hundred eighty-three".