12994791588 has 54 divisors (see below), whose sum is σ = 32940517974. Its totient is φ = 4319422848.

The previous prime is 12994791583. The next prime is 12994791613. The reversal of 12994791588 is 88519749921.

12994791588 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 47 + 9 + 1 + 588 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7555434084 + 5439357504 = 86922^2 + 73752^2 .

It is not an unprimeable number, because it can be changed into a prime (12994791583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6937020 + ... + 6938892.

Almost surely, 2^12994791588 is an apocalyptic number.

12994791588 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12994791588 is an abundant number, since it is smaller than the sum of its proper divisors (19945726386).

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

12994791588 is a wasteful number, since it uses less digits than its factorization.

12994791588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2317 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 12994791588 in words is "twelve billion, nine hundred ninety-four million, seven hundred ninety-one thousand, five hundred eighty-eight".