12816679 has 2 divisors, whose sum is σ = 12816680. Its totient is φ = 12816678.

The previous prime is 12816677. The next prime is 12816703. The reversal of 12816679 is 97661821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12816679 - 2¹ = 12816677 is a prime.

Together with 12816677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12816677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408339 + 6408340.

It is an arithmetic number, because the mean of its divisors is an integer number (6408340).

Almost surely, 2^12816679 is an apocalyptic number.

12816679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12816679 is an equidigital number, since it uses as much as digits as its factorization.

12816679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 12816679 is about 3580.0389662684. The cubic root of 12816679 is about 234.0229784823.

It can be divided in two parts, 128 and 16679, that added together give a 5-th power (16807 = 7⁵).

The spelling of 12816679 in words is "twelve million, eight hundred sixteen thousand, six hundred seventy-nine".