12765679 has 2 divisors, whose sum is σ = 12765680. Its totient is φ = 12765678.

The previous prime is 12765631. The next prime is 12765721. The reversal of 12765679 is 97656721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12765679 - 2⁹ = 12765167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12765619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382839 + 6382840.

It is an arithmetic number, because the mean of its divisors is an integer number (6382840).

Almost surely, 2^12765679 is an apocalyptic number.

12765679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765679 is an equidigital number, since it uses as much as digits as its factorization.

12765679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 12765679 is about 3572.9090388645. The cubic root of 12765679 is about 233.7121585534.

The spelling of 12765679 in words is "twelve million, seven hundred sixty-five thousand, six hundred seventy-nine".