11564617 has 2 divisors, whose sum is σ = 11564618. Its totient is φ = 11564616.

The previous prime is 11564603. The next prime is 11564621. The reversal of 11564617 is 71646511.

11564617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6270016 + 5294601 = 2504^2 + 2301^2 .

It is a cyclic number.

It is not a de Polignac number, because 11564617 - 2²³ = 3176009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11564647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782308 + 5782309.

It is an arithmetic number, because the mean of its divisors is an integer number (5782309).

Almost surely, 2^11564617 is an apocalyptic number.

It is an amenable number.

11564617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11564617 is an equidigital number, since it uses as much as digits as its factorization.

11564617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 11564617 is about 3400.6789028075. The cubic root of 11564617 is about 226.1398421856.

The spelling of 11564617 in words is "eleven million, five hundred sixty-four thousand, six hundred seventeen".