12272831 has 2 divisors, whose sum is σ = 12272832. Its totient is φ = 12272830.

The previous prime is 12272801. The next prime is 12272849. The reversal of 12272831 is 13827221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12272831 - 2²² = 8078527 is a prime.

It is a super-2 number, since 2×12272831² = 301244761509122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12272831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136415 + 6136416.

It is an arithmetic number, because the mean of its divisors is an integer number (6136416).

Almost surely, 2^12272831 is an apocalyptic number.

12272831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272831 is an equidigital number, since it uses as much as digits as its factorization.

12272831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 12272831 is about 3503.2600531505. The cubic root of 12272831 is about 230.6649377936.

The spelling of 12272831 in words is "twelve million, two hundred seventy-two thousand, eight hundred thirty-one".