12517573 has 4 divisors (see below), whose sum is σ = 12528640. Its totient is φ = 12506508.

The previous prime is 12517541. The next prime is 12517579. The reversal of 12517573 is 37571521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37571521 = 13 ⋅2890117.

It is a cyclic number.

It is not a de Polignac number, because 12517573 - 2⁵ = 12517541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517579) 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 in 3 ways as a sum of consecutive naturals, for example, 3615 + ... + 6172.

It is an arithmetic number, because the mean of its divisors is an integer number (3132160).

Almost surely, 2^12517573 is an apocalyptic number.

It is an amenable number.

12517573 is a deficient number, since it is larger than the sum of its proper divisors (11067).

12517573 is an equidigital number, since it uses as much as digits as its factorization.

12517573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066.

The product of its digits is 7350, while the sum is 31.

The square root of 12517573 is about 3538.0182305918. The cubic root of 12517573 is about 232.1881462769.

The spelling of 12517573 in words is "twelve million, five hundred seventeen thousand, five hundred seventy-three".