12683518836 has 12 divisors (see below), whose sum is σ = 29594877312. Its totient is φ = 4227839608.

The previous prime is 12683518801. The next prime is 12683518849. The reversal of 12683518836 is 63881538621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528479940 + ... + 528479963.

It is an arithmetic number, because the mean of its divisors is an integer number (2466239776).

Almost surely, 2^12683518836 is an apocalyptic number.

It is an amenable number.

12683518836 is an abundant number, since it is smaller than the sum of its proper divisors (16911358476).

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

12683518836 is a wasteful number, since it uses less digits than its factorization.

12683518836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056959910 (or 1056959908 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 12683518836 in words is "twelve billion, six hundred eighty-three million, five hundred eighteen thousand, eight hundred thirty-six".