11213112 has 16 divisors (see below), whose sum is σ = 28032840. Its totient is φ = 3737696.

The previous prime is 11213093. The next prime is 11213113. The reversal of 11213112 is 21131211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233583 + ... + 233630.

Almost surely, 2^11213112 is an apocalyptic number.

11213112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11213112 is an abundant number, since it is smaller than the sum of its proper divisors (16819728).

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

11213112 is a wasteful number, since it uses less digits than its factorization.

11213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467222 (or 467218 counting only the distinct ones).

The product of its digits is 12, while the sum is 12.

The square root of 11213112 is about 3348.5985128110. The cubic root of 11213112 is about 223.8250653747.

Adding to 11213112 its reverse (21131211), we get a palindrome (32344323).

It can be divided in two parts, 11213 and 112, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 11213112 in words is "eleven million, two hundred thirteen thousand, one hundred twelve".