12936759642 has 56 divisors (see below), whose sum is σ = 29445210144. Its totient is φ = 4260258504.

The previous prime is 12936759631. The next prime is 12936759673. The reversal of 12936759642 is 24695763921.

12936759642 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 6 + 7 + 596 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 67563 + ... + 174465.

It is an arithmetic number, because the mean of its divisors is an integer number (525807324).

Almost surely, 2^12936759642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12936759642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14722605072).

12936759642 is an abundant number, since it is smaller than the sum of its proper divisors (16508450502).

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

12936759642 is an equidigital number, since it uses as much as digits as its factorization.

12936759642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107006 (or 106991 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 12936759642 in words is "twelve billion, nine hundred thirty-six million, seven hundred fifty-nine thousand, six hundred forty-two".