12618728873 has 8 divisors (see below), whose sum is σ = 13671728928. Its totient is φ = 11600253504.

The previous prime is 12618728869. The next prime is 12618728887. The reversal of 12618728873 is 37882781621.

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 12618728873 - 2² = 12618728869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12618728273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8630411 + ... + 8631872.

It is an arithmetic number, because the mean of its divisors is an integer number (1708966116).

Almost surely, 2^12618728873 is an apocalyptic number.

It is an amenable number.

12618728873 is a deficient number, since it is larger than the sum of its proper divisors (1053000055).

12618728873 is a wasteful number, since it uses less digits than its factorization.

12618728873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262343.

The product of its digits is 1806336, while the sum is 53.

The spelling of 12618728873 in words is "twelve billion, six hundred eighteen million, seven hundred twenty-eight thousand, eight hundred seventy-three".