12698396585 has 32 divisors (see below), whose sum is σ = 18629533440. Its totient is φ = 8110743552.

The previous prime is 12698396567. The next prime is 12698396587. The reversal of 12698396585 is 58569389621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12698396585 is a prime.

It is a super-2 number, since 2×12698396585² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12698396587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52295 + ... + 167724.

It is an arithmetic number, because the mean of its divisors is an integer number (582172920).

Almost surely, 2^12698396585 is an apocalyptic number.

It is an amenable number.

12698396585 is a deficient number, since it is larger than the sum of its proper divisors (5931136855).

12698396585 is a wasteful number, since it uses less digits than its factorization.

12698396585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220145.

The product of its digits is 27993600, while the sum is 62.

The spelling of 12698396585 in words is "twelve billion, six hundred ninety-eight million, three hundred ninety-six thousand, five hundred eighty-five".