11218863 has 8 divisors (see below), whose sum is σ = 15104128. Its totient is φ = 7406424.

The previous prime is 11218849. The next prime is 11218903. The reversal of 11218863 is 36881211.

11218863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11218863 - 2¹⁴ = 11202479 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 11218863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11218813) 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, 17845 + ... + 18462.

It is an arithmetic number, because the mean of its divisors is an integer number (1888016).

Almost surely, 2^11218863 is an apocalyptic number.

11218863 is a deficient number, since it is larger than the sum of its proper divisors (3885265).

11218863 is a wasteful number, since it uses less digits than its factorization.

11218863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36413.

The product of its digits is 2304, while the sum is 30.

The square root of 11218863 is about 3349.4571201913. The cubic root of 11218863 is about 223.8633240951.

The spelling of 11218863 in words is "eleven million, two hundred eighteen thousand, eight hundred sixty-three".