11818033 has 4 divisors (see below), whose sum is σ = 11883508. Its totient is φ = 11752560.

The previous prime is 11818007. The next prime is 11818049. The reversal of 11818033 is 33081811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2380849 + 9437184 = 1543^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 11818033 - 2⁹ = 11817521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11817989 and 11818007.

It is not an unprimeable number, because it can be changed into a prime (11818073) 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, 32466 + ... + 32827.

It is an arithmetic number, because the mean of its divisors is an integer number (2970877).

Almost surely, 2^11818033 is an apocalyptic number.

It is an amenable number.

11818033 is a deficient number, since it is larger than the sum of its proper divisors (65475).

11818033 is an equidigital number, since it uses as much as digits as its factorization.

11818033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65474.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11818033 is about 3437.7366100386. The cubic root of 11818033 is about 227.7797259577.

Adding to 11818033 its reverse (33081811), we get a palindrome (44899844).

The spelling of 11818033 in words is "eleven million, eight hundred eighteen thousand, thirty-three".