112403213 has 4 divisors (see below), whose sum is σ = 121049628. Its totient is φ = 103756800.

The previous prime is 112403197. The next prime is 112403219. The reversal of 112403213 is 312304211.

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 7279204 + 105124009 = 2698^2 + 10253^2 .

It is a cyclic number.

It is not a de Polignac number, because 112403213 - 2⁴ = 112403197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112403191 and 112403200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112403219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323188 + ... + 4323213.

It is an arithmetic number, because the mean of its divisors is an integer number (30262407).

Almost surely, 2^112403213 is an apocalyptic number.

112403213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112403213 is a deficient number, since it is larger than the sum of its proper divisors (8646415).

112403213 is an equidigital number, since it uses as much as digits as its factorization.

112403213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646414.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 112403213 is about 10602.0381531100. The cubic root of 112403213 is about 482.6062128477.

Adding to 112403213 its reverse (312304211), we get a palindrome (424707424).

The spelling of 112403213 in words is "one hundred twelve million, four hundred three thousand, two hundred thirteen".