11564633 has 6 divisors (see below), whose sum is σ = 11661822. Its totient is φ = 11468160.

The previous prime is 11564629. The next prime is 11564647. The reversal of 11564633 is 33646511.

It is a happy number.

11564633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1247689 + 10316944 = 1117^2 + 3212^2 .

It is not a de Polignac number, because 11564633 - 2² = 11564629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11564596 and 11564605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32585 + ... + 32937.

It is an arithmetic number, because the mean of its divisors is an integer number (1943637).

Almost surely, 2^11564633 is an apocalyptic number.

It is an amenable number.

11564633 is a deficient number, since it is larger than the sum of its proper divisors (97189).

11564633 is an frugal number, since it uses more digits than its factorization.

11564633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 534 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 11564633 is about 3400.6812552781. The cubic root of 11564633 is about 226.1399464760.

The spelling of 11564633 in words is "eleven million, five hundred sixty-four thousand, six hundred thirty-three".