1332216 has 24 divisors (see below), whose sum is σ = 3608280. Its totient is φ = 444048.

The previous prime is 1332193. The next prime is 1332217. The reversal of 1332216 is 6122331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332217) 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 5 ways as a sum of consecutive naturals, for example, 9180 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (150345).

2^1332216 is an apocalyptic number.

It is an amenable number.

1332216 is an abundant number, since it is smaller than the sum of its proper divisors (2276064).

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

1332216 is a wasteful number, since it uses less digits than its factorization.

1332216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18515 (or 18508 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1332216 is about 1154.2166174510. The cubic root of 1332216 is about 110.0334884263.

Adding to 1332216 its reverse (6122331), we get a palindrome (7454547).

The spelling of 1332216 in words is "one million, three hundred thirty-two thousand, two hundred sixteen".