12496379867 has 2 divisors, whose sum is σ = 12496379868. Its totient is φ = 12496379866.

The previous prime is 12496379851. The next prime is 12496379887. The reversal of 12496379867 is 76897369421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12496379867 - 2⁴ = 12496379851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12496379827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248189933 + 6248189934.

It is an arithmetic number, because the mean of its divisors is an integer number (6248189934).

Almost surely, 2^12496379867 is an apocalyptic number.

12496379867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12496379867 is an equidigital number, since it uses as much as digits as its factorization.

12496379867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 62.

The spelling of 12496379867 in words is "twelve billion, four hundred ninety-six million, three hundred seventy-nine thousand, eight hundred sixty-seven".