12442159 has 2 divisors, whose sum is σ = 12442160. Its totient is φ = 12442158.

The previous prime is 12442153. The next prime is 12442163. The reversal of 12442159 is 95124421.

12442159 is digitally balanced in base 3, 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 12442159 - 2³ = 12442151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221079 + 6221080.

It is an arithmetic number, because the mean of its divisors is an integer number (6221080).

Almost surely, 2^12442159 is an apocalyptic number.

12442159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442159 is an equidigital number, since it uses as much as digits as its factorization.

12442159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 12442159 is about 3527.3444685769. The cubic root of 12442159 is about 231.7209226017.

It can be divided in two parts, 1244 and 2159, that added together give a triangular number (3403 = T₈₂).

The spelling of 12442159 in words is "twelve million, four hundred forty-two thousand, one hundred fifty-nine".