12531283 has 2 divisors, whose sum is σ = 12531284. Its totient is φ = 12531282.

The previous prime is 12531263. The next prime is 12531301. The reversal of 12531283 is 38213521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12531283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12531263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265641 + 6265642.

It is an arithmetic number, because the mean of its divisors is an integer number (6265642).

Almost surely, 2^12531283 is an apocalyptic number.

12531283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531283 is an equidigital number, since it uses as much as digits as its factorization.

12531283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 12531283 is about 3539.9552257055. The cubic root of 12531283 is about 232.2728841626.

The spelling of 12531283 in words is "twelve million, five hundred thirty-one thousand, two hundred eighty-three".