11217214 has 8 divisors (see below), whose sum is σ = 16920360. Its totient is φ = 5577096.

The previous prime is 11217211. The next prime is 11217221. The reversal of 11217214 is 41271211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11217191 and 11217200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11217211) 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, 15309 + ... + 16024.

It is an arithmetic number, because the mean of its divisors is an integer number (2115045).

Almost surely, 2^11217214 is an apocalyptic number.

11217214 is a deficient number, since it is larger than the sum of its proper divisors (5703146).

11217214 is a wasteful number, since it uses less digits than its factorization.

11217214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31514.

The product of its digits is 112, while the sum is 19.

The square root of 11217214 is about 3349.2109518512. The cubic root of 11217214 is about 223.8523554046.

Adding to 11217214 its reverse (41271211), we get a palindrome (52488425).

The spelling of 11217214 in words is "eleven million, two hundred seventeen thousand, two hundred fourteen".