12040566 has 16 divisors (see below), whose sum is σ = 25348800. Its totient is φ = 3802248.

The previous prime is 12040537. The next prime is 12040571. The reversal of 12040566 is 66504021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52696 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (1584300).

Almost surely, 2^12040566 is an apocalyptic number.

12040566 is an abundant number, since it is smaller than the sum of its proper divisors (13308234).

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

12040566 is a wasteful number, since it uses less digits than its factorization.

12040566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105643.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12040566 is about 3469.9518728651. The cubic root of 12040566 is about 229.2005387876.

Adding to 12040566 its reverse (66504021), we get a palindrome (78544587).

The spelling of 12040566 in words is "twelve million, forty thousand, five hundred sixty-six".