11564965 has 8 divisors (see below), whose sum is σ = 13900320. Its totient is φ = 9237072.

The previous prime is 11564963. The next prime is 11564983. The reversal of 11564965 is 56946511.

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 11564965 - 2¹ = 11564963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564963) 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, 2466 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (1737540).

Almost surely, 2^11564965 is an apocalyptic number.

It is an amenable number.

11564965 is a deficient number, since it is larger than the sum of its proper divisors (2335355).

11564965 is an equidigital number, since it uses as much as digits as its factorization.

11564965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 32400, while the sum is 37.

The square root of 11564965 is about 3400.7300686764. The cubic root of 11564965 is about 226.1421104802.

The spelling of 11564965 in words is "eleven million, five hundred sixty-four thousand, nine hundred sixty-five".