13331332 has 36 divisors (see below), whose sum is σ = 28742364. Its totient is φ = 5376000.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331332 is 23313331.

13331332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 8561476 = 2184^2 + 2926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1332 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (798399).

Almost surely, 2^13331332 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 13331332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14371182).

13331332 is an abundant number, since it is smaller than the sum of its proper divisors (15411032).

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

13331332 is a wasteful number, since it uses less digits than its factorization.

13331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4027 counting only the distinct ones).

The product of its digits is 486, while the sum is 19.

The square root of 13331332 is about 3651.2096625639. The cubic root of 13331332 is about 237.1143554905.

Adding to 13331332 its reverse (23313331), we get a palindrome (36644663).

It can be divided in two parts, 1 and 3331332, that added together give a palindrome (3331333).

The spelling of 13331332 in words is "thirteen million, three hundred thirty-one thousand, three hundred thirty-two".