12679361 has 2 divisors, whose sum is σ = 12679362. Its totient is φ = 12679360.

The previous prime is 12679339. The next prime is 12679363. The reversal of 12679361 is 16397621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 34225 = 3556^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12679361 is a prime.

Together with 12679363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12679363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339680 + 6339681.

It is an arithmetic number, because the mean of its divisors is an integer number (6339681).

Almost surely, 2^12679361 is an apocalyptic number.

It is an amenable number.

12679361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12679361 is an equidigital number, since it uses as much as digits as its factorization.

12679361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 12679361 is about 3560.8090372835. The cubic root of 12679361 is about 233.1842010761.

The spelling of 12679361 in words is "twelve million, six hundred seventy-nine thousand, three hundred sixty-one".