11303818 has 8 divisors (see below), whose sum is σ = 16970148. Its totient is φ = 5647104.

The previous prime is 11303813. The next prime is 11303821. The reversal of 11303818 is 81830311.

It can be written as a sum of positive squares in 2 ways, for example, as 10517049 + 786769 = 3243^2 + 887^2 .

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

It is a super-3 number, since 3×11303818³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11303792 and 11303801.

It is not an unprimeable number, because it can be changed into a prime (11303813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730 + ... + 5482.

Almost surely, 2^11303818 is an apocalyptic number.

11303818 is a deficient number, since it is larger than the sum of its proper divisors (5666330).

11303818 is a wasteful number, since it uses less digits than its factorization.

11303818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

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

The square root of 11303818 is about 3362.1151080830. The cubic root of 11303818 is about 224.4269731378.

It can be divided in two parts, 11303 and 818, that added together give a palindrome (12121).

The spelling of 11303818 in words is "eleven million, three hundred three thousand, eight hundred eighteen".