1368216 has 48 divisors (see below), whose sum is σ = 3831360. Its totient is φ = 440640.

The previous prime is 1368203. The next prime is 1368229. The reversal of 1368216 is 6128631.

It is an interprime number because it is at equal distance from previous prime (1368203) and next prime (1368229).

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

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1368216.

It is a congruent number.

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, 1926 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (79820).

2^1368216 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 1368216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915680).

1368216 is an abundant number, since it is smaller than the sum of its proper divisors (2463144).

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

1368216 is a wasteful number, since it uses less digits than its factorization.

1368216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 649 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1368216 is about 1169.7076557841. The cubic root of 1368216 is about 111.0158243814.

The spelling of 1368216 in words is "one million, three hundred sixty-eight thousand, two hundred sixteen".