13003321332 has 24 divisors (see below), whose sum is σ = 30394235872. Its totient is φ = 4326847200.

The previous prime is 13003321321. The next prime is 13003321333. The reversal of 13003321332 is 23312330031.

It is a junction number, because it is equal to n+sod(n) for n = 13003321299 and 13003321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003321333) 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, 942019 + ... + 955722.

Almost surely, 2^13003321332 is an apocalyptic number.

13003321332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13003321332 is an abundant number, since it is smaller than the sum of its proper divisors (17390914540).

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

13003321332 is a wasteful number, since it uses less digits than its factorization.

13003321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898319 (or 1898317 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13003321332 its reverse (23312330031), we get a palindrome (36315651363).

The spelling of 13003321332 in words is "thirteen billion, three million, three hundred twenty-one thousand, three hundred thirty-two".