12271159 has 2 divisors, whose sum is σ = 12271160. Its totient is φ = 12271158.

The previous prime is 12271157. The next prime is 12271199. The reversal of 12271159 is 95117221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12271159 - 2¹ = 12271157 is a prime.

Together with 12271157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12271157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135579 + 6135580.

It is an arithmetic number, because the mean of its divisors is an integer number (6135580).

Almost surely, 2^12271159 is an apocalyptic number.

12271159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12271159 is an equidigital number, since it uses as much as digits as its factorization.

12271159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 12271159 is about 3503.0214101544. The cubic root of 12271159 is about 230.6544623705.

The spelling of 12271159 in words is "twelve million, two hundred seventy-one thousand, one hundred fifty-nine".