11530564 has 12 divisors (see below), whose sum is σ = 20378988. Its totient is φ = 5708000.

The previous prime is 11530559. The next prime is 11530577. The reversal of 11530564 is 46503511.

It can be written as a sum of positive squares in 2 ways, for example, as 7562500 + 3968064 = 2750^2 + 1992^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13867 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (1698249).

Almost surely, 2^11530564 is an apocalyptic number.

It is an amenable number.

11530564 is a deficient number, since it is larger than the sum of its proper divisors (8848424).

11530564 is a wasteful number, since it uses less digits than its factorization.

11530564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28646 (or 28644 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 11530564 is about 3395.6684172634. The cubic root of 11530564 is about 225.9176612887.

The spelling of 11530564 in words is "eleven million, five hundred thirty thousand, five hundred sixty-four".