12396997 has 2 divisors, whose sum is σ = 12396998. Its totient is φ = 12396996.

The previous prime is 12396983. The next prime is 12397009. The reversal of 12396997 is 79969321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 556516 = 3441^2 + 746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12396997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12396907) 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, 6198498 + 6198499.

It is an arithmetic number, because the mean of its divisors is an integer number (6198499).

Almost surely, 2^12396997 is an apocalyptic number.

It is an amenable number.

12396997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12396997 is an equidigital number, since it uses as much as digits as its factorization.

12396997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 12396997 is about 3520.9369491657. The cubic root of 12396997 is about 231.4402192372.

The spelling of 12396997 in words is "twelve million, three hundred ninety-six thousand, nine hundred ninety-seven".