11443212 has 108 divisors (see below), whose sum is σ = 33113808. Its totient is φ = 3326400.

The previous prime is 11443207. The next prime is 11443217. The reversal of 11443212 is 21234411.

11443212 is a `hidden beast` number, since 11 + 443 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (11443207) and next prime (11443217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11443217) 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 35 ways as a sum of consecutive naturals, for example, 161137 + ... + 161207.

Almost surely, 2^11443212 is an apocalyptic number.

11443212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16556904).

11443212 is an abundant number, since it is smaller than the sum of its proper divisors (21670596).

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

11443212 is a wasteful number, since it uses less digits than its factorization.

11443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 124 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11443212 is about 3382.7816955872. The cubic root of 11443212 is about 225.3457203683.

Adding to 11443212 its reverse (21234411), we get a palindrome (32677623).

It can be divided in two parts, 1144 and 3212, that added together give a square (4356 = 66²).

The spelling of 11443212 in words is "eleven million, four hundred forty-three thousand, two hundred twelve".