12458513 has 2 divisors, whose sum is σ = 12458514. Its totient is φ = 12458512.

The previous prime is 12458483. The next prime is 12458521. The reversal of 12458513 is 31585421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9102289 + 3356224 = 3017^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12458513 - 2¹⁸ = 12196369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12458543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6229256 + 6229257.

It is an arithmetic number, because the mean of its divisors is an integer number (6229257).

Almost surely, 2^12458513 is an apocalyptic number.

It is an amenable number.

12458513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12458513 is an equidigital number, since it uses as much as digits as its factorization.

12458513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The square root of 12458513 is about 3529.6618818238. The cubic root of 12458513 is about 231.8224029756.

The spelling of 12458513 in words is "twelve million, four hundred fifty-eight thousand, five hundred thirteen".