12198959 has 2 divisors, whose sum is σ = 12198960. Its totient is φ = 12198958.

The previous prime is 12198941. The next prime is 12198961. The reversal of 12198959 is 95989121.

It is a happy number.

12198959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12198959 - 2¹² = 12194863 is a prime.

Together with 12198961, 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 (12198919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099479 + 6099480.

It is an arithmetic number, because the mean of its divisors is an integer number (6099480).

Almost surely, 2^12198959 is an apocalyptic number.

12198959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12198959 is an equidigital number, since it uses as much as digits as its factorization.

12198959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 44.

The square root of 12198959 is about 3492.7008174191. The cubic root of 12198959 is about 230.2012038978.

The spelling of 12198959 in words is "twelve million, one hundred ninety-eight thousand, nine hundred fifty-nine".