11765966 has 4 divisors (see below), whose sum is σ = 17648952. Its totient is φ = 5882982.

The previous prime is 11765953. The next prime is 11765969. The reversal of 11765966 is 66956711.

11765966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66956711 = 61 ⋅1097651.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11765969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2941490 + ... + 2941493.

It is an arithmetic number, because the mean of its divisors is an integer number (4412238).

Almost surely, 2^11765966 is an apocalyptic number.

11765966 is a deficient number, since it is larger than the sum of its proper divisors (5882986).

11765966 is an equidigital number, since it uses as much as digits as its factorization.

11765966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882985.

The product of its digits is 68040, while the sum is 41.

The square root of 11765966 is about 3430.1553900662. The cubic root of 11765966 is about 227.4447219075. Note that the first 3 decimals are identical.

The spelling of 11765966 in words is "eleven million, seven hundred sixty-five thousand, nine hundred sixty-six".