12936941665 has 8 divisors (see below), whose sum is σ = 15527704320. Its totient is φ = 10347303792.

The previous prime is 12936941659. The next prime is 12936941747. The reversal of 12936941665 is 56614963921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12936941665 - 2¹³ = 12936933473 is a prime.

It is a super-2 number, since 2×12936941665² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255679 + ... + 302068.

It is an arithmetic number, because the mean of its divisors is an integer number (1940963040).

Almost surely, 2^12936941665 is an apocalyptic number.

It is an amenable number.

12936941665 is a deficient number, since it is larger than the sum of its proper divisors (2590762655).

12936941665 is an equidigital number, since it uses as much as digits as its factorization.

12936941665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562391.

The product of its digits is 2099520, while the sum is 52.

The spelling of 12936941665 in words is "twelve billion, nine hundred thirty-six million, nine hundred forty-one thousand, six hundred sixty-five".