12206766 has 64 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 3321600.

The previous prime is 12206749. The next prime is 12206773. The reversal of 12206766 is 66760221.

12206766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35005 + ... + 35351.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^12206766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12206766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14732928).

12206766 is an abundant number, since it is smaller than the sum of its proper divisors (17259090).

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

12206766 is a wasteful number, since it uses less digits than its factorization.

12206766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12206766 is about 3493.8182551472. The cubic root of 12206766 is about 230.2503009164.

Adding to 12206766 its reverse (66760221), we get a palindrome (78966987).

The spelling of 12206766 in words is "twelve million, two hundred six thousand, seven hundred sixty-six".