11513573 has 8 divisors (see below), whose sum is σ = 12363840. Its totient is φ = 10682560.

The previous prime is 11513527. The next prime is 11513587. The reversal of 11513573 is 37531511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11513573 - 2²⁰ = 10464997 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 (11513503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1545480).

Almost surely, 2^11513573 is an apocalyptic number.

It is an amenable number.

11513573 is a deficient number, since it is larger than the sum of its proper divisors (850267).

11513573 is an equidigital number, since it uses as much as digits as its factorization.

11513573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627.

The product of its digits is 1575, while the sum is 26.

The square root of 11513573 is about 3393.1656310885. The cubic root of 11513573 is about 225.8066388506.

The spelling of 11513573 in words is "eleven million, five hundred thirteen thousand, five hundred seventy-three".