12608930881 has 4 divisors (see below), whose sum is σ = 12655804500. Its totient is φ = 12562057264.

The previous prime is 12608930869. The next prime is 12608930927. The reversal of 12608930881 is 18803980621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4068398656 + 8540532225 = 63784^2 + 92415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12608930881 - 2¹⁷ = 12608799809 is a prime.

It is a super-2 number, since 2×12608930881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12608930861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23436406 + ... + 23436943.

It is an arithmetic number, because the mean of its divisors is an integer number (3163951125).

Almost surely, 2^12608930881 is an apocalyptic number.

It is an amenable number.

12608930881 is a deficient number, since it is larger than the sum of its proper divisors (46873619).

12608930881 is an equidigital number, since it uses as much as digits as its factorization.

12608930881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46873618.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 12608930881 in words is "twelve billion, six hundred eight million, nine hundred thirty thousand, eight hundred eighty-one".