13185674805 has 16 divisors (see below), whose sum is σ = 21104705664. Its totient is φ = 7029817920.

The previous prime is 13185674717. The next prime is 13185674809. The reversal of 13185674805 is 50847658131.

It is not a de Polignac number, because 13185674805 - 2¹¹ = 13185672757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13185674809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115614 + ... + 199343.

It is an arithmetic number, because the mean of its divisors is an integer number (1319044104).

Almost surely, 2^13185674805 is an apocalyptic number.

13185674805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13185674805 is a deficient number, since it is larger than the sum of its proper divisors (7919030859).

13185674805 is a wasteful number, since it uses less digits than its factorization.

13185674805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317756.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 13185674805 in words is "thirteen billion, one hundred eighty-five million, six hundred seventy-four thousand, eight hundred five".