11663883 has 24 divisors (see below), whose sum is σ = 21006336. Its totient is φ = 6058800.

The previous prime is 11663863. The next prime is 11663893. The reversal of 11663883 is 38836611.

11663883 is a `hidden beast` number, since 1 + 16 + 638 + 8 + 3 = 666.

It is not a de Polignac number, because 11663883 - 2⁹ = 11663371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11663863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7723 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (875264).

Almost surely, 2^11663883 is an apocalyptic number.

11663883 is a deficient number, since it is larger than the sum of its proper divisors (9342453).

11663883 is a wasteful number, since it uses less digits than its factorization.

11663883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16855 (or 16852 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11663883 is about 3415.2427439349. The cubic root of 11663883 is about 226.7850306927.

The spelling of 11663883 in words is "eleven million, six hundred sixty-three thousand, eight hundred eighty-three".