12339891560 has 16 divisors (see below), whose sum is σ = 27764756100. Its totient is φ = 4935956608.

The previous prime is 12339891559. The next prime is 12339891581. The reversal of 12339891560 is 6519893321.

It can be written as a sum of positive squares in 2 ways, for example, as 12326772676 + 13118884 = 111026^2 + 3622^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 154248605 + ... + 154248684.

Almost surely, 2^12339891560 is an apocalyptic number.

12339891560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12339891560 is an abundant number, since it is smaller than the sum of its proper divisors (15424864540).

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

12339891560 is a wasteful number, since it uses less digits than its factorization.

12339891560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308497300 (or 308497296 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 12339891560 in words is "twelve billion, three hundred thirty-nine million, eight hundred ninety-one thousand, five hundred sixty".