12398327 has 2 divisors, whose sum is σ = 12398328. Its totient is φ = 12398326.

The previous prime is 12398303. The next prime is 12398329. The reversal of 12398327 is 72389321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12398327 is a prime.

Together with 12398329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12398329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6199163 + 6199164.

It is an arithmetic number, because the mean of its divisors is an integer number (6199164).

Almost surely, 2^12398327 is an apocalyptic number.

12398327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12398327 is an equidigital number, since it uses as much as digits as its factorization.

12398327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 12398327 is about 3521.1258142816. The cubic root of 12398327 is about 231.4484955557.

It can be divided in two parts, 1239 and 8327, that multiplied together give a triangular number (10317153 = T₄₅₄₂).

The spelling of 12398327 in words is "twelve million, three hundred ninety-eight thousand, three hundred twenty-seven".