12872001617 has 8 divisors (see below), whose sum is σ = 12936850560. Its totient is φ = 12807189360.

The previous prime is 12872001613. The next prime is 12872001641. The reversal of 12872001617 is 71610027821.

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 12872001617 - 2² = 12872001613 is a prime.

It is a super-2 number, since 2×12872001617² (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 (12872001613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934859 + ... + 948527.

It is an arithmetic number, because the mean of its divisors is an integer number (1617106320).

Almost surely, 2^12872001617 is an apocalyptic number.

It is an amenable number.

12872001617 is a deficient number, since it is larger than the sum of its proper divisors (64848943).

12872001617 is a wasteful number, since it uses less digits than its factorization.

12872001617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 12872001617 in words is "twelve billion, eight hundred seventy-two million, one thousand, six hundred seventeen".