11217382 has 32 divisors (see below), whose sum is σ = 19712160. Its totient is φ = 4730880.

The previous prime is 11217379. The next prime is 11217383. The reversal of 11217382 is 28371211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11217383) 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 15 ways as a sum of consecutive naturals, for example, 33118 + ... + 33454.

It is an arithmetic number, because the mean of its divisors is an integer number (616005).

Almost surely, 2^11217382 is an apocalyptic number.

11217382 is a deficient number, since it is larger than the sum of its proper divisors (8494778).

11217382 is a wasteful number, since it uses less digits than its factorization.

11217382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its digits is 672, while the sum is 25.

The square root of 11217382 is about 3349.2360322915. The cubic root of 11217382 is about 223.8534729431.

Adding to 11217382 its reverse (28371211), we get a palindrome (39588593).

The spelling of 11217382 in words is "eleven million, two hundred seventeen thousand, three hundred eighty-two".