12694682699 has 8 divisors (see below), whose sum is σ = 12891161712. Its totient is φ = 12498814080.

The previous prime is 12694682681. The next prime is 12694682719. The reversal of 12694682699 is 99628649621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12694682699 - 2²⁸ = 12426247243 is a prime.

It is a super-2 number, since 2×12694682699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12694682659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110594 + ... + 193959.

It is an arithmetic number, because the mean of its divisors is an integer number (1611395214).

Almost surely, 2^12694682699 is an apocalyptic number.

12694682699 is a deficient number, since it is larger than the sum of its proper divisors (196479013).

12694682699 is an equidigital number, since it uses as much as digits as its factorization.

12694682699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305197.

The product of its digits is 20155392, while the sum is 62.

The spelling of 12694682699 in words is "twelve billion, six hundred ninety-four million, six hundred eighty-two thousand, six hundred ninety-nine".