12858271 has 2 divisors, whose sum is σ = 12858272. Its totient is φ = 12858270.

The previous prime is 12858257. The next prime is 12858299. The reversal of 12858271 is 17285821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12858271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12858221) 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, 6429135 + 6429136.

It is an arithmetic number, because the mean of its divisors is an integer number (6429136).

Almost surely, 2^12858271 is an apocalyptic number.

12858271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12858271 is an equidigital number, since it uses as much as digits as its factorization.

12858271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 34.

The square root of 12858271 is about 3585.8431365580. The cubic root of 12858271 is about 234.2758514197.

The spelling of 12858271 in words is "twelve million, eight hundred fifty-eight thousand, two hundred seventy-one".