12859838628 has 96 divisors (see below), whose sum is σ = 38874608640. Its totient is φ = 3213095040.

The previous prime is 12859838603. The next prime is 12859838633. The reversal of 12859838628 is 82683895821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289158 + ... + 330653.

It is an arithmetic number, because the mean of its divisors is an integer number (404943840).

Almost surely, 2^12859838628 is an apocalyptic number.

It is an amenable number.

12859838628 is an abundant number, since it is smaller than the sum of its proper divisors (26014770012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12859838628 is a wasteful number, since it uses less digits than its factorization.

12859838628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619857 (or 619855 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 12859838628 in words is "twelve billion, eight hundred fifty-nine million, eight hundred thirty-eight thousand, six hundred twenty-eight".