12000565 has 16 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 9207360.

The previous prime is 12000563. The next prime is 12000581. The reversal of 12000565 is 56500021.

It is a happy number.

It is not a de Polignac number, because 12000565 - 2¹ = 12000563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000563) 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, 21267 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^12000565 is an apocalyptic number.

It is an amenable number.

12000565 is a deficient number, since it is larger than the sum of its proper divisors (2998475).

12000565 is a wasteful number, since it uses less digits than its factorization.

12000565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12000565 is about 3464.1831649034. The cubic root of 12000565 is about 228.9464415851.

Adding to 12000565 its reverse (56500021), we get a palindrome (68500586).

The spelling of 12000565 in words is "twelve million, five hundred sixty-five", and thus it is an aban number.