12996986766 has 32 divisors (see below), whose sum is σ = 26540075520. Its totient is φ = 4242236544.

The previous prime is 12996986731. The next prime is 12996986767. The reversal of 12996986766 is 66768969921.

12996986766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12996986766³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12996986766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12996986767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59206 + ... + 171753.

It is an arithmetic number, because the mean of its divisors is an integer number (829377360).

Almost surely, 2^12996986766 is an apocalyptic number.

12996986766 is an abundant number, since it is smaller than the sum of its proper divisors (13543088754).

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

12996986766 is a wasteful number, since it uses less digits than its factorization.

12996986766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231160.

The product of its digits is 105815808, while the sum is 69.

The spelling of 12996986766 in words is "twelve billion, nine hundred ninety-six million, nine hundred eighty-six thousand, seven hundred sixty-six".