12023766 has 12 divisors (see below), whose sum is σ = 26051532. Its totient is φ = 4007916.

The previous prime is 12023749. The next prime is 12023773. The reversal of 12023766 is 66732021.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 333976 + ... + 334011.

It is an arithmetic number, because the mean of its divisors is an integer number (2170961).

Almost surely, 2^12023766 is an apocalyptic number.

12023766 is an abundant number, since it is smaller than the sum of its proper divisors (14027766).

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

12023766 is a wasteful number, since it uses less digits than its factorization.

12023766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667995 (or 667992 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 12023766 is about 3467.5302450015. The cubic root of 12023766 is about 229.0938892796.

Adding to 12023766 its reverse (66732021), we get a palindrome (78755787).

The spelling of 12023766 in words is "twelve million, twenty-three thousand, seven hundred sixty-six".