12986980079 has 4 divisors (see below), whose sum is σ = 13015030176. Its totient is φ = 12958929984.

The previous prime is 12986980067. The next prime is 12986980081. The reversal of 12986980079 is 97008968921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97008968921 = 17299 ⋅5607779.

It is a cyclic number.

It is not a de Polignac number, because 12986980079 - 2⁴ = 12986980063 is a prime.

It is a super-4 number, since 4×12986980079⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986980049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14024354 + ... + 14025279.

It is an arithmetic number, because the mean of its divisors is an integer number (3253757544).

Almost surely, 2^12986980079 is an apocalyptic number.

12986980079 is a deficient number, since it is larger than the sum of its proper divisors (28050097).

12986980079 is an equidigital number, since it uses as much as digits as its factorization.

12986980079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050096.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 12986980079 in words is "twelve billion, nine hundred eighty-six million, nine hundred eighty thousand, seventy-nine".