12398159 has 2 divisors, whose sum is σ = 12398160. Its totient is φ = 12398158.

The previous prime is 12398137. The next prime is 12398179. The reversal of 12398159 is 95189321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12398159 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 (12398119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6199079 + 6199080.

It is an arithmetic number, because the mean of its divisors is an integer number (6199080).

Almost surely, 2^12398159 is an apocalyptic number.

12398159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12398159 is an equidigital number, since it uses as much as digits as its factorization.

12398159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 12398159 is about 3521.1019581943. The cubic root of 12398159 is about 231.4474501586.

The spelling of 12398159 in words is "twelve million, three hundred ninety-eight thousand, one hundred fifty-nine".