11217000 has 64 divisors (see below), whose sum is σ = 35006400. Its totient is φ = 2990400.

The previous prime is 11216993. The next prime is 11217001. The reversal of 11217000 is 71211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11217001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (546975).

Almost surely, 2^11217000 is an apocalyptic number.

11217000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11217000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17503200).

11217000 is an abundant number, since it is smaller than the sum of its proper divisors (23789400).

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

11217000 is a wasteful number, since it uses less digits than its factorization.

11217000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763 (or 3749 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 11217000 is about 3349.1790038754. The cubic root of 11217000 is about 223.8509318571.

Adding to 11217000 its reverse (71211), we get a palindrome (11288211).

The spelling of 11217000 in words is "eleven million, two hundred seventeen thousand".