12979597 has 2 divisors, whose sum is σ = 12979598. Its totient is φ = 12979596.

The previous prime is 12979591. The next prime is 12979601. The reversal of 12979597 is 79597921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6522916 + 6456681 = 2554^2 + 2541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12979597 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12979597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12979591) 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, 6489798 + 6489799.

It is an arithmetic number, because the mean of its divisors is an integer number (6489799).

Almost surely, 2^12979597 is an apocalyptic number.

It is an amenable number.

12979597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12979597 is an equidigital number, since it uses as much as digits as its factorization.

12979597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 49.

The square root of 12979597 is about 3602.7207774125. The cubic root of 12979597 is about 235.0103933837.

The spelling of 12979597 in words is "twelve million, nine hundred seventy-nine thousand, five hundred ninety-seven".