12947159 has 2 divisors, whose sum is σ = 12947160. Its totient is φ = 12947158.

The previous prime is 12947141. The next prime is 12947161. The reversal of 12947159 is 95174921.

It is a strong prime.

It is an emirp because it is prime and its reverse (95174921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12947159 - 2⁸ = 12946903 is a prime.

Together with 12947161, 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 (12947059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473579 + 6473580.

It is an arithmetic number, because the mean of its divisors is an integer number (6473580).

Almost surely, 2^12947159 is an apocalyptic number.

12947159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12947159 is an equidigital number, since it uses as much as digits as its factorization.

12947159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 12947159 is about 3598.2160857847. The cubic root of 12947159 is about 234.8144544152.

The spelling of 12947159 in words is "twelve million, nine hundred forty-seven thousand, one hundred fifty-nine".