12573563 has 4 divisors (see below), whose sum is σ = 12603168. Its totient is φ = 12543960.

The previous prime is 12573541. The next prime is 12573601. The reversal of 12573563 is 36537521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36537521 = 4129 ⋅8849.

It is a cyclic number.

It is not a de Polignac number, because 12573563 - 2⁶ = 12573499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12573163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14156 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (3150792).

Almost surely, 2^12573563 is an apocalyptic number.

12573563 is a deficient number, since it is larger than the sum of its proper divisors (29605).

12573563 is an equidigital number, since it uses as much as digits as its factorization.

12573563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29604.

The product of its digits is 18900, while the sum is 32.

The square root of 12573563 is about 3545.9220239594. The cubic root of 12573563 is about 232.5338171029.

The spelling of 12573563 in words is "twelve million, five hundred seventy-three thousand, five hundred sixty-three".