11490218 has 4 divisors (see below), whose sum is σ = 17235330. Its totient is φ = 5745108.

The previous prime is 11490217. The next prime is 11490221. The reversal of 11490218 is 81209411.

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

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 908209 = 3253^2 + 953^2 .

It is not an unprimeable number, because it can be changed into a prime (11490217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2872553 + ... + 2872556.

Almost surely, 2^11490218 is an apocalyptic number.

11490218 is a deficient number, since it is larger than the sum of its proper divisors (5745112).

11490218 is an equidigital number, since it uses as much as digits as its factorization.

11490218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745111.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11490218 is about 3389.7224075136. The cubic root of 11490218 is about 225.6538544242.

Adding to 11490218 its reverse (81209411), we get a palindrome (92699629).

The spelling of 11490218 in words is "eleven million, four hundred ninety thousand, two hundred eighteen".