12250831 has 2 divisors, whose sum is σ = 12250832. Its totient is φ = 12250830.

The previous prime is 12250769. The next prime is 12250853. The reversal of 12250831 is 13805221.

It is an a-pointer prime, because the next prime (12250853) can be obtained adding 12250831 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12250831 - 2⁷ = 12250703 is a prime.

It is a super-2 number, since 2×12250831² = 300165720381122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12250891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125415 + 6125416.

It is an arithmetic number, because the mean of its divisors is an integer number (6125416).

Almost surely, 2^12250831 is an apocalyptic number.

12250831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250831 is an equidigital number, since it uses as much as digits as its factorization.

12250831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12250831 is about 3500.1187122725. The cubic root of 12250831 is about 230.5270271008.

The spelling of 12250831 in words is "twelve million, two hundred fifty thousand, eight hundred thirty-one".