11217104 has 20 divisors (see below), whose sum is σ = 21830820. Its totient is φ = 5583360.

The previous prime is 11217103. The next prime is 11217121. The reversal of 11217104 is 40171211.

11217104 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 9120400 + 2096704 = 3020^2 + 1448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11217103) 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, 2402 + ... + 5310.

It is an arithmetic number, because the mean of its divisors is an integer number (1091541).

Almost surely, 2^11217104 is an apocalyptic number.

It is an amenable number.

11217104 is a deficient number, since it is larger than the sum of its proper divisors (10613716).

11217104 is a wasteful number, since it uses less digits than its factorization.

11217104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11217104 is about 3349.1945300326. The cubic root of 11217104 is about 223.8516236768.

Adding to 11217104 its reverse (40171211), we get a palindrome (51388315).

The spelling of 11217104 in words is "eleven million, two hundred seventeen thousand, one hundred four".