11573457 has 24 divisors (see below), whose sum is σ = 18117792. Its totient is φ = 6552000.

The previous prime is 11573423. The next prime is 11573501. The reversal of 11573457 is 75437511.

It is not a de Polignac number, because 11573457 - 2⁷ = 11573329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11573257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18957 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (754908).

Almost surely, 2^11573457 is an apocalyptic number.

It is an amenable number.

11573457 is a deficient number, since it is larger than the sum of its proper divisors (6544335).

11573457 is a wasteful number, since it uses less digits than its factorization.

11573457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 742 counting only the distinct ones).

The product of its digits is 14700, while the sum is 33.

The square root of 11573457 is about 3401.9783949931. The cubic root of 11573457 is about 226.1974479860.

The spelling of 11573457 in words is "eleven million, five hundred seventy-three thousand, four hundred fifty-seven".