12045566 has 8 divisors (see below), whose sum is σ = 19458264. Its totient is φ = 5559480.

The previous prime is 12045521. The next prime is 12045589. The reversal of 12045566 is 66554021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231620 + ... + 231671.

It is an arithmetic number, because the mean of its divisors is an integer number (2432283).

Almost surely, 2^12045566 is an apocalyptic number.

12045566 is a deficient number, since it is larger than the sum of its proper divisors (7412698).

12045566 is a wasteful number, since it uses less digits than its factorization.

12045566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463306.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 12045566 is about 3470.6722691721. The cubic root of 12045566 is about 229.2322605549.

Adding to 12045566 its reverse (66554021), we get a palindrome (78599587).

The spelling of 12045566 in words is "twelve million, forty-five thousand, five hundred sixty-six".