12531383 has 2 divisors, whose sum is σ = 12531384. Its totient is φ = 12531382.

The previous prime is 12531359. The next prime is 12531391. The reversal of 12531383 is 38313521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12531383 - 2¹⁶ = 12465847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12531313) 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, 6265691 + 6265692.

It is an arithmetic number, because the mean of its divisors is an integer number (6265692).

Almost surely, 2^12531383 is an apocalyptic number.

12531383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531383 is an equidigital number, since it uses as much as digits as its factorization.

12531383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 12531383 is about 3539.9693501498. The cubic root of 12531383 is about 232.2735020091.

The spelling of 12531383 in words is "twelve million, five hundred thirty-one thousand, three hundred eighty-three".