1116213 has 16 divisors (see below), whose sum is σ = 1775616. Its totient is φ = 609840.

The previous prime is 1116209. The next prime is 1116223. The reversal of 1116213 is 3126111.

It is not a de Polignac number, because 1116213 - 2² = 1116209 is a prime.

It is a super-2 number, since 2×1116213² = 2491862922738, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1116192 and 1116201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 673 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (110976).

2^1116213 is an apocalyptic number.

It is an amenable number.

1116213 is a deficient number, since it is larger than the sum of its proper divisors (659403).

1116213 is a wasteful number, since it uses less digits than its factorization.

1116213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its digits is 36, while the sum is 15.

The square root of 1116213 is about 1056.5098201153. The cubic root of 1116213 is about 103.7327023952.

It can be divided in two parts, 11162 and 13, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 1116213 in words is "one million, one hundred sixteen thousand, two hundred thirteen".