11217066 has 32 divisors (see below), whose sum is σ = 26239488. Its totient is φ = 3129840.

The previous prime is 11217061. The next prime is 11217091. The reversal of 11217066 is 66071211.

11217066 = 165² + 166² + ... + 336².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11217061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (819984).

Almost surely, 2^11217066 is an apocalyptic number.

11217066 is an abundant number, since it is smaller than the sum of its proper divisors (15022422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11217066 is a wasteful number, since it uses less digits than its factorization.

11217066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11217066 is about 3349.1888570220. The cubic root of 11217066 is about 223.8513708971.

Adding to 11217066 its reverse (66071211), we get a palindrome (77288277).

The spelling of 11217066 in words is "eleven million, two hundred seventeen thousand, sixty-six".