12516573 has 16 divisors (see below), whose sum is σ = 18601920. Its totient is φ = 7439616.

The previous prime is 12516571. The next prime is 12516587. The reversal of 12516573 is 37561521.

It is not a de Polignac number, because 12516573 - 2¹ = 12516571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12516573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490 + ... + 7427.

It is an arithmetic number, because the mean of its divisors is an integer number (1162620).

Almost surely, 2^12516573 is an apocalyptic number.

It is an amenable number.

12516573 is a deficient number, since it is larger than the sum of its proper divisors (6085347).

12516573 is a wasteful number, since it uses less digits than its factorization.

12516573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956.

The product of its digits is 6300, while the sum is 30.

The square root of 12516573 is about 3537.8769057162. The cubic root of 12516573 is about 232.1819631206.

The spelling of 12516573 in words is "twelve million, five hundred sixteen thousand, five hundred seventy-three".