12862231 has 2 divisors, whose sum is σ = 12862232. Its totient is φ = 12862230.

The previous prime is 12862229. The next prime is 12862237. The reversal of 12862231 is 13226821.

It is a weak prime.

It is an emirp because it is prime and its reverse (13226821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12862231 - 2¹ = 12862229 is a prime.

It is a super-2 number, since 2×12862231² = 330873972594722, which contains 22 as substring.

Together with 12862229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12862196 and 12862205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431115 + 6431116.

It is an arithmetic number, because the mean of its divisors is an integer number (6431116).

Almost surely, 2^12862231 is an apocalyptic number.

12862231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862231 is an equidigital number, since it uses as much as digits as its factorization.

12862231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 12862231 is about 3586.3952654441. The cubic root of 12862231 is about 234.2998991617.

The spelling of 12862231 in words is "twelve million, eight hundred sixty-two thousand, two hundred thirty-one".