12606799667 has 96 divisors (see below), whose sum is σ = 17630871552. Its totient is φ = 8781696000.

The previous prime is 12606799631. The next prime is 12606799741. The reversal of 12606799667 is 76699760621.

It is a happy number.

It is not a de Polignac number, because 12606799667 - 2²⁰ = 12605751091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12606799067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27228278 + ... + 27228740.

It is an arithmetic number, because the mean of its divisors is an integer number (183654912).

Almost surely, 2^12606799667 is an apocalyptic number.

12606799667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12606799667 is a deficient number, since it is larger than the sum of its proper divisors (5024071885).

12606799667 is a wasteful number, since it uses less digits than its factorization.

12606799667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 12606799667 in words is "twelve billion, six hundred six million, seven hundred ninety-nine thousand, six hundred sixty-seven".