13212332 has 48 divisors (see below), whose sum is σ = 28703808. Its totient is φ = 5191680.

The previous prime is 13212307. The next prime is 13212337. The reversal of 13212332 is 23321231.

13212332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13212332.

It is not an unprimeable number, because it can be changed into a prime (13212337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19178 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (597996).

Almost surely, 2^13212332 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 13212332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14351904).

13212332 is an abundant number, since it is smaller than the sum of its proper divisors (15491476).

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

13212332 is a wasteful number, since it uses less digits than its factorization.

13212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 13212332 is about 3634.8771643620. The cubic root of 13212332 is about 236.4067246711.

Adding to 13212332 its reverse (23321231), we get a palindrome (36533563).

The spelling of 13212332 in words is "thirteen million, two hundred twelve thousand, three hundred thirty-two".