11564393 has 4 divisors (see below), whose sum is σ = 11694420. Its totient is φ = 11434368.

The previous prime is 11564381. The next prime is 11564447. The reversal of 11564393 is 39346511.

11564393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3055504 + 8508889 = 1748^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 11564393 - 2¹⁰ = 11563369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11564363) 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, 64880 + ... + 65057.

It is an arithmetic number, because the mean of its divisors is an integer number (2923605).

Almost surely, 2^11564393 is an apocalyptic number.

It is an amenable number.

11564393 is a deficient number, since it is larger than the sum of its proper divisors (130027).

11564393 is an equidigital number, since it uses as much as digits as its factorization.

11564393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130026.

The product of its digits is 9720, while the sum is 32.

The square root of 11564393 is about 3400.6459680478. The cubic root of 11564393 is about 226.1383821098.

The spelling of 11564393 in words is "eleven million, five hundred sixty-four thousand, three hundred ninety-three".