12879182173 has 16 divisors (see below), whose sum is σ = 15241254336. Its totient is φ = 10728800640.

The previous prime is 12879182137. The next prime is 12879182207. The reversal of 12879182173 is 37128197821.

It is a cyclic number.

It is not a de Polignac number, because 12879182173 - 2²¹ = 12877085021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12879182573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309111 + ... + 348292.

It is an arithmetic number, because the mean of its divisors is an integer number (952578396).

Almost surely, 2^12879182173 is an apocalyptic number.

12879182173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12879182173 is a deficient number, since it is larger than the sum of its proper divisors (2362072163).

12879182173 is a wasteful number, since it uses less digits than its factorization.

12879182173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657564.

The product of its digits is 338688, while the sum is 49.

The spelling of 12879182173 in words is "twelve billion, eight hundred seventy-nine million, one hundred eighty-two thousand, one hundred seventy-three".