11945766 has 16 divisors (see below), whose sum is σ = 27304704. Its totient is φ = 3413064.

The previous prime is 11945753. The next prime is 11945797. The reversal of 11945766 is 66754911.

11945766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 142170 + ... + 142253.

It is an arithmetic number, because the mean of its divisors is an integer number (1706544).

Almost surely, 2^11945766 is an apocalyptic number.

11945766 is an abundant number, since it is smaller than the sum of its proper divisors (15358938).

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

11945766 is a wasteful number, since it uses less digits than its factorization.

11945766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284435.

The product of its digits is 45360, while the sum is 39.

The square root of 11945766 is about 3456.2647468040. The cubic root of 11945766 is about 228.5974252054.

The spelling of 11945766 in words is "eleven million, nine hundred forty-five thousand, seven hundred sixty-six".