12397106879 has 4 divisors (see below), whose sum is σ = 12415419384. Its totient is φ = 12378794376.

The previous prime is 12397106851. The next prime is 12397106893. The reversal of 12397106879 is 97860179321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12397106879 - 2¹⁶ = 12397041343 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 12397106879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397106479) 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, 9155237 + ... + 9156590.

It is an arithmetic number, because the mean of its divisors is an integer number (3103854846).

Almost surely, 2^12397106879 is an apocalyptic number.

12397106879 is a deficient number, since it is larger than the sum of its proper divisors (18312505).

12397106879 is an equidigital number, since it uses as much as digits as its factorization.

12397106879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312504.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 12397106879 in words is "twelve billion, three hundred ninety-seven million, one hundred six thousand, eight hundred seventy-nine".