11566313 has 8 divisors (see below), whose sum is σ = 12673056. Its totient is φ = 10468800.

The previous prime is 11566283. The next prime is 11566319. The reversal of 11566313 is 31366511.

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 11566313 - 2⁶ = 11566249 is a prime.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (11566319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 4832.

It is an arithmetic number, because the mean of its divisors is an integer number (1584132).

Almost surely, 2^11566313 is an apocalyptic number.

It is an amenable number.

11566313 is a deficient number, since it is larger than the sum of its proper divisors (1106743).

11566313 is a wasteful number, since it uses less digits than its factorization.

11566313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its digits is 1620, while the sum is 26.

The square root of 11566313 is about 3400.9282556385. The cubic root of 11566313 is about 226.1508964333.

The spelling of 11566313 in words is "eleven million, five hundred sixty-six thousand, three hundred thirteen".