12908513018 has 8 divisors (see below), whose sum is σ = 20381862720. Its totient is φ = 6114558780.

The previous prime is 12908513017. The next prime is 12908513027. The reversal of 12908513018 is 81031580921.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 339697711 = 12908513018 / (1 + 2 + 9 + 0 + 8 + 5 + 1 + 3 + 0 + 1 + 8).

It is not an unprimeable number, because it can be changed into a prime (12908513017) 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, 169848818 + ... + 169848893.

It is an arithmetic number, because the mean of its divisors is an integer number (2547732840).

Almost surely, 2^12908513018 is an apocalyptic number.

12908513018 is a deficient number, since it is larger than the sum of its proper divisors (7473349702).

12908513018 is a wasteful number, since it uses less digits than its factorization.

12908513018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339697732.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 12908513018 in words is "twelve billion, nine hundred eight million, five hundred thirteen thousand, eighteen".