11766287 has 6 divisors (see below), whose sum is σ = 12741192. Its totient is φ = 10861032.

The previous prime is 11766283. The next prime is 11766299. The reversal of 11766287 is 78266711.

11766287 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11766287 - 2² = 11766283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11766287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34643 + ... + 34980.

It is an arithmetic number, because the mean of its divisors is an integer number (2123532).

Almost surely, 2^11766287 is an apocalyptic number.

11766287 is a deficient number, since it is larger than the sum of its proper divisors (974905).

11766287 is an equidigital number, since it uses as much as digits as its factorization.

11766287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69649 (or 69636 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 11766287 is about 3430.2021806302. The cubic root of 11766287 is about 227.4467902769.

The spelling of 11766287 in words is "eleven million, seven hundred sixty-six thousand, two hundred eighty-seven".