11564417 has 8 divisors (see below), whose sum is σ = 12012840. Its totient is φ = 11119360.

The previous prime is 11564381. The next prime is 11564447. The reversal of 11564417 is 71446511.

It can be written as a sum of positive squares in 4 ways, for example, as 2660161 + 8904256 = 1631^2 + 2984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11564417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11564417.

It is not an unprimeable number, because it can be changed into a prime (11564447) 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, 7817 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (1501605).

Almost surely, 2^11564417 is an apocalyptic number.

It is an amenable number.

11564417 is a deficient number, since it is larger than the sum of its proper divisors (448423).

11564417 is a wasteful number, since it uses less digits than its factorization.

11564417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its digits is 3360, while the sum is 29.

The square root of 11564417 is about 3400.6494967873. The cubic root of 11564417 is about 226.1385385474.

The spelling of 11564417 in words is "eleven million, five hundred sixty-four thousand, four hundred seventeen".