11808863 has 8 divisors (see below), whose sum is σ = 13640400. Its totient is φ = 10103680.

The previous prime is 11808857. The next prime is 11808869. The reversal of 11808863 is 36880811.

It is a happy number.

11808863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11808857) and next prime (11808869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11808863 - 2⁸ = 11808607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31388 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (1705050).

Almost surely, 2^11808863 is an apocalyptic number.

11808863 is a deficient number, since it is larger than the sum of its proper divisors (1831537).

11808863 is a wasteful number, since it uses less digits than its factorization.

11808863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63177.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 11808863 is about 3436.4026248389. The cubic root of 11808863 is about 227.7207967896.

The spelling of 11808863 in words is "eleven million, eight hundred eight thousand, eight hundred sixty-three".