11606565 has 16 divisors (see below), whose sum is σ = 18623808. Its totient is φ = 6172416.

The previous prime is 11606561. The next prime is 11606591. The reversal of 11606565 is 56560611.

11606565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11606565 - 2² = 11606561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5602 + ... + 7388.

It is an arithmetic number, because the mean of its divisors is an integer number (1163988).

Almost surely, 2^11606565 is an apocalyptic number.

11606565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11606565 is a deficient number, since it is larger than the sum of its proper divisors (7017243).

11606565 is a wasteful number, since it uses less digits than its factorization.

11606565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 11606565 is about 3406.8409120474. The cubic root of 11606565 is about 226.4129357544.

The spelling of 11606565 in words is "eleven million, six hundred six thousand, five hundred sixty-five".