1262216 has 16 divisors (see below), whose sum is σ = 2506140. Its totient is φ = 593920.

The previous prime is 1262207. The next prime is 1262221. The reversal of 1262216 is 6122621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 168100 = 1046^2 + 410^2 .

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 3 ways as a sum of consecutive naturals, for example, 4505 + ... + 4776.

2^1262216 is an apocalyptic number.

It is an amenable number.

1262216 is a deficient number, since it is larger than the sum of its proper divisors (1243924).

1262216 is a wasteful number, since it uses less digits than its factorization.

1262216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304 (or 9300 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1262216 is about 1123.4838672629. The cubic root of 1262216 is about 108.0715118517.

Adding to 1262216 its reverse (6122621), we get a palindrome (7384837).

The spelling of 1262216 in words is "one million, two hundred sixty-two thousand, two hundred sixteen".