11574561 has 8 divisors (see below), whose sum is σ = 15694560. Its totient is φ = 7585472.

The previous prime is 11574559. The next prime is 11574571. The reversal of 11574561 is 16547511.

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 11574561 - 2¹ = 11574559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11574551) 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, 32520 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (1961820).

Almost surely, 2^11574561 is an apocalyptic number.

It is an amenable number.

11574561 is a deficient number, since it is larger than the sum of its proper divisors (4119999).

11574561 is an equidigital number, since it uses as much as digits as its factorization.

11574561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65455.

The product of its digits is 4200, while the sum is 30.

The square root of 11574561 is about 3402.1406496499. The cubic root of 11574561 is about 226.2046401338.

The spelling of 11574561 in words is "eleven million, five hundred seventy-four thousand, five hundred sixty-one".