12860705892 has 24 divisors (see below), whose sum is σ = 30010226400. Its totient is φ = 4286628736.

The previous prime is 12860705867. The next prime is 12860705899. The reversal of 12860705892 is 29850706821.

It is not an unprimeable number, because it can be changed into a prime (12860705899) 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 7 ways as a sum of consecutive naturals, for example, 271084 + ... + 314972.

It is an arithmetic number, because the mean of its divisors is an integer number (1250426100).

Almost surely, 2^12860705892 is an apocalyptic number.

12860705892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12860705892 is an abundant number, since it is smaller than the sum of its proper divisors (17149520508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12860705892 is a wasteful number, since it uses less digits than its factorization.

12860705892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68315 (or 68313 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 12860705892 in words is "twelve billion, eight hundred sixty million, seven hundred five thousand, eight hundred ninety-two".