11572493 has 4 divisors (see below), whose sum is σ = 11762268. Its totient is φ = 11382720.

The previous prime is 11572487. The next prime is 11572507. The reversal of 11572493 is 39427511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1087849 + 10484644 = 1043^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 11572493 - 2¹⁸ = 11310349 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 (11572193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94796 + ... + 94917.

It is an arithmetic number, because the mean of its divisors is an integer number (2940567).

Almost surely, 2^11572493 is an apocalyptic number.

It is an amenable number.

11572493 is a deficient number, since it is larger than the sum of its proper divisors (189775).

11572493 is an equidigital number, since it uses as much as digits as its factorization.

11572493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189774.

The product of its digits is 7560, while the sum is 32.

The square root of 11572493 is about 3401.8367097790. The cubic root of 11572493 is about 226.1911675118.

The spelling of 11572493 in words is "eleven million, five hundred seventy-two thousand, four hundred ninety-three".