12879013139 has 8 divisors (see below), whose sum is σ = 13600887552. Its totient is φ = 12170631880.

The previous prime is 12879013073. The next prime is 12879013151. The reversal of 12879013139 is 93131097821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12879013139 - 2¹⁶ = 12878947603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12879013139.

It is not an unprimeable number, because it can be changed into a prime (12879013639) 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 7 ways as a sum of consecutive naturals, for example, 3371327 + ... + 3375144.

It is an arithmetic number, because the mean of its divisors is an integer number (1700110944).

Almost surely, 2^12879013139 is an apocalyptic number.

12879013139 is a deficient number, since it is larger than the sum of its proper divisors (721874413).

12879013139 is an equidigital number, since it uses as much as digits as its factorization.

12879013139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746577.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 12879013139 in words is "twelve billion, eight hundred seventy-nine million, thirteen thousand, one hundred thirty-nine".