11217134 has 4 divisors (see below), whose sum is σ = 16825704. Its totient is φ = 5608566.

The previous prime is 11217121. The next prime is 11217181. The reversal of 11217134 is 43171211.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2804282 + ... + 2804285.

It is an arithmetic number, because the mean of its divisors is an integer number (4206426).

Almost surely, 2^11217134 is an apocalyptic number.

11217134 is a deficient number, since it is larger than the sum of its proper divisors (5608570).

11217134 is an equidigital number, since it uses as much as digits as its factorization.

11217134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608569.

The product of its digits is 168, while the sum is 20.

The square root of 11217134 is about 3349.1990087184. The cubic root of 11217134 is about 223.8518232394.

Adding to 11217134 its reverse (43171211), we get a palindrome (54388345).

The spelling of 11217134 in words is "eleven million, two hundred seventeen thousand, one hundred thirty-four".