12213032 has 32 divisors (see below), whose sum is σ = 25243680. Its totient is φ = 5503680.

The previous prime is 12213017. The next prime is 12213037. The reversal of 12213032 is 23031221.

It is a happy number.

12213032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12212998 and 12213016.

It is not an unprimeable number, because it can be changed into a prime (12213037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (788865).

Almost surely, 2^12213032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12621840).

12213032 is an abundant number, since it is smaller than the sum of its proper divisors (13030648).

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

12213032 is a wasteful number, since it uses less digits than its factorization.

12213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12213032 is about 3494.7148667667. The cubic root of 12213032 is about 230.2896916825.

Adding to 12213032 its reverse (23031221), we get a palindrome (35244253).

The spelling of 12213032 in words is "twelve million, two hundred thirteen thousand, thirty-two".