12652891279 has 12 divisors (see below), whose sum is σ = 14733314400. Its totient is φ = 10834544448.

The previous prime is 12652891271. The next prime is 12652891283. The reversal of 12652891279 is 97219825621.

It is not a de Polignac number, because 12652891279 - 2³ = 12652891271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652891271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78519 + ... + 177400.

It is an arithmetic number, because the mean of its divisors is an integer number (1227776200).

Almost surely, 2^12652891279 is an apocalyptic number.

12652891279 is a deficient number, since it is larger than the sum of its proper divisors (2080423121).

12652891279 is a wasteful number, since it uses less digits than its factorization.

12652891279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256942 (or 256935 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The spelling of 12652891279 in words is "twelve billion, six hundred fifty-two million, eight hundred ninety-one thousand, two hundred seventy-nine".