1200216 has 32 divisors (see below), whose sum is σ = 3072960. Its totient is φ = 390432.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200216 is 6120021.

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

1200216 is a modest number, since divided by 216 gives 120 as remainder.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (96030).

2^1200216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536480).

1200216 is an abundant number, since it is smaller than the sum of its proper divisors (1872744).

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

1200216 is a wasteful number, since it uses less digits than its factorization.

1200216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1200216 is about 1095.5437006345. The cubic root of 1200216 is about 106.2722324872.

Adding to 1200216 its reverse (6120021), we get a palindrome (7320237).

The spelling of 1200216 in words is "one million, two hundred thousand, two hundred sixteen".