1206216 has 48 divisors (see below), whose sum is σ = 3566160. Its totient is φ = 365280.

The previous prime is 1206209. The next prime is 1206223. The reversal of 1206216 is 6126021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1206209) and next prime (1206223).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (74295).

2^1206216 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 1206216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783080).

1206216 is an abundant number, since it is smaller than the sum of its proper divisors (2359944).

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

1206216 is a wasteful number, since it uses less digits than its factorization.

1206216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1206216 is about 1098.2786531659. The cubic root of 1206216 is about 106.4490267211.

It can be divided in two parts, 120 and 6216, that added together give a palindrome (6336).

The spelling of 1206216 in words is "one million, two hundred six thousand, two hundred sixteen".