13233321332 has 72 divisors (see below), whose sum is σ = 29141223552. Its totient is φ = 5147017920.

The previous prime is 13233321301. The next prime is 13233321349. The reversal of 13233321332 is 23312333231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2189018 + ... + 2195054.

It is an arithmetic number, because the mean of its divisors is an integer number (404739216).

Almost surely, 2^13233321332 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 13233321332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14570611776).

13233321332 is an abundant number, since it is smaller than the sum of its proper divisors (15907902220).

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

13233321332 is a wasteful number, since it uses less digits than its factorization.

13233321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717 (or 6704 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

Adding to 13233321332 its reverse (23312333231), we get a palindrome (36545654563).

The spelling of 13233321332 in words is "thirteen billion, two hundred thirty-three million, three hundred twenty-one thousand, three hundred thirty-two".