12885609617 has 8 divisors (see below), whose sum is σ = 13140532800. Its totient is φ = 12631903984.

The previous prime is 12885609599. The next prime is 12885609619. The reversal of 12885609617 is 71690658821.

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 12885609617 - 2⁸ = 12885609361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12885609619) by changing a digit.

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, 282998 + ... + 325359.

It is an arithmetic number, because the mean of its divisors is an integer number (1642566600).

Almost surely, 2^12885609617 is an apocalyptic number.

It is an amenable number.

12885609617 is a deficient number, since it is larger than the sum of its proper divisors (254923183).

12885609617 is an equidigital number, since it uses as much as digits as its factorization.

12885609617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608775.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 12885609617 in words is "twelve billion, eight hundred eighty-five million, six hundred nine thousand, six hundred seventeen".