12397087 has 2 divisors, whose sum is σ = 12397088. Its totient is φ = 12397086.

The previous prime is 12397081. The next prime is 12397093. The reversal of 12397087 is 78079321.

It is a balanced prime because it is at equal distance from previous prime (12397081) and next prime (12397093).

It is a cyclic number.

It is not a de Polignac number, because 12397087 - 2⁷ = 12396959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12397081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6198543 + 6198544.

It is an arithmetic number, because the mean of its divisors is an integer number (6198544).

Almost surely, 2^12397087 is an apocalyptic number.

12397087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12397087 is an equidigital number, since it uses as much as digits as its factorization.

12397087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12397087 is about 3520.9497298314. The cubic root of 12397087 is about 231.4407793075.

The spelling of 12397087 in words is "twelve million, three hundred ninety-seven thousand, eighty-seven".