11216843 has 4 divisors (see below), whose sum is σ = 12236568. Its totient is φ = 10197120.

The previous prime is 11216819. The next prime is 11216861. The reversal of 11216843 is 34861211.

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 11216843 - 2¹⁴ = 11200459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11216813) 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, 509846 + ... + 509867.

It is an arithmetic number, because the mean of its divisors is an integer number (3059142).

Almost surely, 2^11216843 is an apocalyptic number.

11216843 is a deficient number, since it is larger than the sum of its proper divisors (1019725).

11216843 is a wasteful number, since it uses less digits than its factorization.

11216843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019724.

The product of its digits is 1152, while the sum is 26.

The square root of 11216843 is about 3349.1555652134. The cubic root of 11216843 is about 223.8498874674.

It can be divided in two parts, 112168 and 43, that added together give a palindrome (112211).

The spelling of 11216843 in words is "eleven million, two hundred sixteen thousand, eight hundred forty-three".