12403931258879 has 4 divisors (see below), whose sum is σ = 12403938812760. Its totient is φ = 12403923705000.

The previous prime is 12403931258869. The next prime is 12403931258881. The reversal of 12403931258879 is 97885213930421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12403931258879 - 2¹⁶ = 12403931193343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403931258869) 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, 157997 + ... + 4983254.

It is an arithmetic number, because the mean of its divisors is an integer number (3100984703190).

Almost surely, 2^{12403931258879} is an apocalyptic number.

12403931258879 is a deficient number, since it is larger than the sum of its proper divisors (7553881).

12403931258879 is an equidigital number, since it uses as much as digits as its factorization.

12403931258879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553880.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 12403931258879 in words is "twelve trillion, four hundred three billion, nine hundred thirty-one million, two hundred fifty-eight thousand, eight hundred seventy-nine".