12836663018 has 8 divisors (see below), whose sum is σ = 19257285060. Its totient is φ = 6417568000.

The previous prime is 12836663003. The next prime is 12836663087. The reversal of 12836663018 is 81036663821.

It can be written as a sum of positive squares in 2 ways, for example, as 8927037289 + 3909625729 = 94483^2 + 62527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12836663018.

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, 360503 + ... + 394506.

Almost surely, 2^12836663018 is an apocalyptic number.

12836663018 is a deficient number, since it is larger than the sum of its proper divisors (6420622042).

12836663018 is an equidigital number, since it uses as much as digits as its factorization.

12836663018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763512.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 12836663018 in words is "twelve billion, eight hundred thirty-six million, six hundred sixty-three thousand, eighteen".