12786659034 has 32 divisors (see below), whose sum is σ = 25657128000. Its totient is φ = 4248271104.

The previous prime is 12786659029. The next prime is 12786659047. The reversal of 12786659034 is 43095668721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5351112 + ... + 5353500.

It is an arithmetic number, because the mean of its divisors is an integer number (801785250).

It is a 1-persistent number, because it is pandigital, but 2⋅12786659034 = 25573318068 is not.

Almost surely, 2^12786659034 is an apocalyptic number.

12786659034 is an abundant number, since it is smaller than the sum of its proper divisors (12870468966).

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

12786659034 is a wasteful number, since it uses less digits than its factorization.

12786659034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 12786659034 in words is "twelve billion, seven hundred eighty-six million, six hundred fifty-nine thousand, thirty-four".