12020766 has 16 divisors (see below), whose sum is σ = 25087104. Its totient is φ = 3832664.

The previous prime is 12020759. The next prime is 12020851. The reversal of 12020766 is 66702021.

It is a happy number.

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, 43416 + ... + 43691.

It is an arithmetic number, because the mean of its divisors is an integer number (1567944).

Almost surely, 2^12020766 is an apocalyptic number.

12020766 is an abundant number, since it is smaller than the sum of its proper divisors (13066338).

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

12020766 is a wasteful number, since it uses less digits than its factorization.

12020766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87135.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12020766 is about 3467.0976334681. The cubic root of 12020766 is about 229.0748342726.

Adding to 12020766 its reverse (66702021), we get a palindrome (78722787).

The spelling of 12020766 in words is "twelve million, twenty thousand, seven hundred sixty-six".