11304211 has 4 divisors (see below), whose sum is σ = 11517552. Its totient is φ = 11090872.

The previous prime is 11304199. The next prime is 11304217. The reversal of 11304211 is 11240311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11240311 = 821 ⋅13691.

It is a cyclic number.

It is not a de Polignac number, because 11304211 - 2⁵ = 11304179 is a prime.

It is a super-3 number, since 3×11304211³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11304191 and 11304200.

It is not an unprimeable number, because it can be changed into a prime (11304217) 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, 106591 + ... + 106696.

It is an arithmetic number, because the mean of its divisors is an integer number (2879388).

Almost surely, 2^11304211 is an apocalyptic number.

11304211 is a deficient number, since it is larger than the sum of its proper divisors (213341).

11304211 is an equidigital number, since it uses as much as digits as its factorization.

11304211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213340.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11304211 is about 3362.1735529267. The cubic root of 11304211 is about 224.4295739929.

Adding to 11304211 its reverse (11240311), we get a palindrome (22544522).

The spelling of 11304211 in words is "eleven million, three hundred four thousand, two hundred eleven".