12531359 has 2 divisors, whose sum is σ = 12531360. Its totient is φ = 12531358.

The previous prime is 12531349. The next prime is 12531383. The reversal of 12531359 is 95313521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12531359 - 2¹⁶ = 12465823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12531349) 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, 6265679 + 6265680.

It is an arithmetic number, because the mean of its divisors is an integer number (6265680).

Almost surely, 2^12531359 is an apocalyptic number.

12531359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531359 is an equidigital number, since it uses as much as digits as its factorization.

12531359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 29.

The square root of 12531359 is about 3539.9659602883. The cubic root of 12531359 is about 232.2733537262.

The spelling of 12531359 in words is "twelve million, five hundred thirty-one thousand, three hundred fifty-nine".