12696679 has 2 divisors, whose sum is σ = 12696680. Its totient is φ = 12696678.

The previous prime is 12696659. The next prime is 12696683. The reversal of 12696679 is 97669621.

12696679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12696679 - 2²³ = 4308071 is a prime.

It is a super-2 number, since 2×12696679² = 322411315258082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12696659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348339 + 6348340.

It is an arithmetic number, because the mean of its divisors is an integer number (6348340).

Almost surely, 2^12696679 is an apocalyptic number.

12696679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12696679 is an equidigital number, since it uses as much as digits as its factorization.

12696679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 12696679 is about 3563.2399582403. The cubic root of 12696679 is about 233.2903170135.

The spelling of 12696679 in words is "twelve million, six hundred ninety-six thousand, six hundred seventy-nine".