12693276618 has 16 divisors (see below), whose sum is σ = 27694421856. Its totient is φ = 3846447440.

The previous prime is 12693276613. The next prime is 12693276653. The reversal of 12693276618 is 81667239621.

It is a super-2 number, since 2×12693276618² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12693276613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96161121 + ... + 96161252.

It is an arithmetic number, because the mean of its divisors is an integer number (1730901366).

Almost surely, 2^12693276618 is an apocalyptic number.

12693276618 is an abundant number, since it is smaller than the sum of its proper divisors (15001145238).

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

12693276618 is a wasteful number, since it uses less digits than its factorization.

12693276618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192322389.

The product of its digits is 1306368, while the sum is 51.

The spelling of 12693276618 in words is "twelve billion, six hundred ninety-three million, two hundred seventy-six thousand, six hundred eighteen".