11568321 has 12 divisors (see below), whose sum is σ = 17589520. Its totient is φ = 7306200.

The previous prime is 11568299. The next prime is 11568353. The reversal of 11568321 is 12386511.

It is not a de Polignac number, because 11568321 - 2⁵ = 11568289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11568391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33655 + ... + 33996.

Almost surely, 2^11568321 is an apocalyptic number.

It is an amenable number.

11568321 is a deficient number, since it is larger than the sum of its proper divisors (6021199).

11568321 is a wasteful number, since it uses less digits than its factorization.

11568321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67676 (or 67673 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11568321 is about 3401.2234563463. The cubic root of 11568321 is about 226.1639828485.

The spelling of 11568321 in words is "eleven million, five hundred sixty-eight thousand, three hundred twenty-one".