12665025379 has 12 divisors (see below), whose sum is σ = 12946486000. Its totient is φ = 12389498784.

The previous prime is 12665025367. The next prime is 12665025389. The reversal of 12665025379 is 97352056621.

It is not a de Polignac number, because 12665025379 - 2¹¹ = 12665023331 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12665025389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973882 + ... + 986800.

Almost surely, 2^12665025379 is an apocalyptic number.

12665025379 is a deficient number, since it is larger than the sum of its proper divisors (281460621).

12665025379 is an equidigital number, since it uses as much as digits as its factorization.

12665025379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374 (or 13321 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 12665025379 in words is "twelve billion, six hundred sixty-five million, twenty-five thousand, three hundred seventy-nine".