12518573 has 2 divisors, whose sum is σ = 12518574. Its totient is φ = 12518572.

The previous prime is 12518557. The next prime is 12518593. The reversal of 12518573 is 37581521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 3833764 = 2947^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 12518573 - 2⁴ = 12518557 is a prime.

It is equal to p₈₁₉₈₄₂ and since 12518573 and 819842 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12518593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259286 + 6259287.

It is an arithmetic number, because the mean of its divisors is an integer number (6259287).

Almost surely, 2^12518573 is an apocalyptic number.

It is an amenable number.

12518573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12518573 is an equidigital number, since it uses as much as digits as its factorization.

12518573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 12518573 is about 3538.1595498225. The cubic root of 12518573 is about 232.1943291038.

The spelling of 12518573 in words is "twelve million, five hundred eighteen thousand, five hundred seventy-three".