11589966 has 40 divisors (see below), whose sum is σ = 26876520. Its totient is φ = 3728592.

The previous prime is 11589947. The next prime is 11589989. The reversal of 11589966 is 66998511.

11589966 is a `hidden beast` number, since 1 + 1 + 589 + 9 + 66 = 666.

11589966 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3465 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (671913).

Almost surely, 2^11589966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11589966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13438260).

11589966 is an abundant number, since it is smaller than the sum of its proper divisors (15286554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11589966 is a wasteful number, since it uses less digits than its factorization.

11589966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2501 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 11589966 is about 3404.4039125815. The cubic root of 11589966 is about 226.3049502784.

The spelling of 11589966 in words is "eleven million, five hundred eighty-nine thousand, nine hundred sixty-six".