12355271 has 2 divisors, whose sum is σ = 12355272. Its totient is φ = 12355270.

The previous prime is 12355253. The next prime is 12355279. The reversal of 12355271 is 17255321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12355271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12355271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12355279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177635 + 6177636.

It is an arithmetic number, because the mean of its divisors is an integer number (6177636).

Almost surely, 2^12355271 is an apocalyptic number.

12355271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355271 is an equidigital number, since it uses as much as digits as its factorization.

12355271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 12355271 is about 3515.0065433794. The cubic root of 12355271 is about 231.1802657035.

The spelling of 12355271 in words is "twelve million, three hundred fifty-five thousand, two hundred seventy-one".