12557573 has 16 divisors (see below), whose sum is σ = 15129600. Its totient is φ = 10407600.

The previous prime is 12557569. The next prime is 12557593. The reversal of 12557573 is 37575521.

It is not a de Polignac number, because 12557573 - 2² = 12557569 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 (12557593) 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, 10043 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (945600).

Almost surely, 2^12557573 is an apocalyptic number.

It is an amenable number.

12557573 is a deficient number, since it is larger than the sum of its proper divisors (2572027).

12557573 is an equidigital number, since it uses as much as digits as its factorization.

12557573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1219 counting only the distinct ones).

The product of its digits is 36750, while the sum is 35.

The square root of 12557573 is about 3543.6666039570. Note that the first 4 decimals coincide. The cubic root of 12557573 is about 232.4352029704.

The spelling of 12557573 in words is "twelve million, five hundred fifty-seven thousand, five hundred seventy-three".