11530418 has 4 divisors (see below), whose sum is σ = 17295630. Its totient is φ = 5765208.

The previous prime is 11530417. The next prime is 11530433. The reversal of 11530418 is 81403511.

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., 6436369 + 5094049 = 2537^2 + 2257^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11530393 and 11530402.

It is not an unprimeable number, because it can be changed into a prime (11530417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2882603 + ... + 2882606.

Almost surely, 2^11530418 is an apocalyptic number.

11530418 is a deficient number, since it is larger than the sum of its proper divisors (5765212).

11530418 is an equidigital number, since it uses as much as digits as its factorization.

11530418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765211.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11530418 is about 3395.6469192188. The cubic root of 11530418 is about 225.9167077616.

Adding to 11530418 its reverse (81403511), we get a palindrome (92933929).

The spelling of 11530418 in words is "eleven million, five hundred thirty thousand, four hundred eighteen".