11133218 has 8 divisors (see below), whose sum is σ = 16715712. Its totient is φ = 5561316.

The previous prime is 11133217. The next prime is 11133229. The reversal of 11133218 is 81233111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11133218.

It is not an unprimeable number, because it can be changed into a prime (11133211) 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, 971 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (2089464).

Almost surely, 2^11133218 is an apocalyptic number.

11133218 is a deficient number, since it is larger than the sum of its proper divisors (5582494).

11133218 is a wasteful number, since it uses less digits than its factorization.

11133218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296.

The product of its digits is 144, while the sum is 20.

The square root of 11133218 is about 3336.6477188939. The cubic root of 11133218 is about 223.2922094524.

Adding to 11133218 its reverse (81233111), we get a palindrome (92366329).

The spelling of 11133218 in words is "eleven million, one hundred thirty-three thousand, two hundred eighteen".