12993585818 has 8 divisors (see below), whose sum is σ = 19639160640. Its totient is φ = 6447198940.

The previous prime is 12993585797. The next prime is 12993585833. The reversal of 12993585818 is 81858539921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24796658 + ... + 24797181.

It is an arithmetic number, because the mean of its divisors is an integer number (2454895080).

Almost surely, 2^12993585818 is an apocalyptic number.

12993585818 is a deficient number, since it is larger than the sum of its proper divisors (6645574822).

12993585818 is a wasteful number, since it uses less digits than its factorization.

12993585818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49593972.

The product of its digits is 6220800, while the sum is 59.

The spelling of 12993585818 in words is "twelve billion, nine hundred ninety-three million, five hundred eighty-five thousand, eight hundred eighteen".