11798863 has 4 divisors (see below), whose sum is σ = 11878200. Its totient is φ = 11719528.

The previous prime is 11798861. The next prime is 11798869. The reversal of 11798863 is 36889711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11798863 - 2¹ = 11798861 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 (11798861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39445 + ... + 39742.

It is an arithmetic number, because the mean of its divisors is an integer number (2969550).

Almost surely, 2^11798863 is an apocalyptic number.

11798863 is a deficient number, since it is larger than the sum of its proper divisors (79337).

11798863 is an equidigital number, since it uses as much as digits as its factorization.

11798863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79336.

The product of its digits is 72576, while the sum is 43.

The square root of 11798863 is about 3434.9473067283. The cubic root of 11798863 is about 227.6564990084.

The spelling of 11798863 in words is "eleven million, seven hundred ninety-eight thousand, eight hundred sixty-three".