1112213 has 4 divisors (see below), whose sum is σ = 1130508.
Its totient is φ = 1093920.
The previous prime is 1112201. The next prime is 1112239. The reversal of 1112213 is 3122111.
Adding to 1112213 its reverse (3122111), we get a palindrome (4234324).
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 806404 = 553^2 + 898^2
It is a cyclic number.
It is not a de Polignac number, because 1112213 - 24 = 1112197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1112194 and 1112203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1112273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056 + ... + 9177.
It is an arithmetic number, because the mean of its divisors is an integer number (282627).
21112213 is an apocalyptic number.
It is an amenable number.
1112213 is a deficient number, since it is larger than the sum of its proper divisors (18295).
1112213 is an equidigital number, since it uses as much as digits as its factorization.
1112213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18294.
The product of its digits is 12, while the sum is 11.
The square root of 1112213 is about 1054.6150956629.
The cubic root of 1112213 is about 103.6086438031.
The spelling of 1112213 in words is "one million, one hundred twelve thousand, two hundred thirteen".