12686518248 has 16 divisors (see below), whose sum is σ = 31716295680. Its totient is φ = 4228839408.

The previous prime is 12686518223. The next prime is 12686518259. The reversal of 12686518248 is 84281568621.

It is a self number, because there is not a number n which added to its sum of digits gives 12686518248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264302440 + ... + 264302487.

It is an arithmetic number, because the mean of its divisors is an integer number (1982268480).

Almost surely, 2^12686518248 is an apocalyptic number.

It is an amenable number.

12686518248 is an abundant number, since it is smaller than the sum of its proper divisors (19029777432).

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

12686518248 is a wasteful number, since it uses less digits than its factorization.

12686518248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528604936 (or 528604932 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The spelling of 12686518248 in words is "twelve billion, six hundred eighty-six million, five hundred eighteen thousand, two hundred forty-eight".