11814863 has 4 divisors (see below), whose sum is σ = 11823168. Its totient is φ = 11806560.

The previous prime is 11814857. The next prime is 11814871. The reversal of 11814863 is 36841811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11814863 - 2⁶ = 11814799 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 (11814163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (2955792).

Almost surely, 2^11814863 is an apocalyptic number.

11814863 is a deficient number, since it is larger than the sum of its proper divisors (8305).

11814863 is an equidigital number, since it uses as much as digits as its factorization.

11814863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304.

The product of its digits is 4608, while the sum is 32.

The square root of 11814863 is about 3437.2755199431. The cubic root of 11814863 is about 227.7593580363.

The spelling of 11814863 in words is "eleven million, eight hundred fourteen thousand, eight hundred sixty-three".