12010565 has 16 divisors (see below), whose sum is σ = 17339520. Its totient is φ = 7801920.

The previous prime is 12010561. The next prime is 12010627. The reversal of 12010565 is 56501021.

It is not a de Polignac number, because 12010565 - 2² = 12010561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8366 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (1083720).

Almost surely, 2^12010565 is an apocalyptic number.

It is an amenable number.

12010565 is a deficient number, since it is larger than the sum of its proper divisors (5328955).

12010565 is a wasteful number, since it uses less digits than its factorization.

12010565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 12010565 is about 3465.6262060413. The cubic root of 12010565 is about 229.0100171689.

Adding to 12010565 its reverse (56501021), we get a palindrome (68511586).

The spelling of 12010565 in words is "twelve million, ten thousand, five hundred sixty-five".