13021320332 has 12 divisors (see below), whose sum is σ = 22906617216. Its totient is φ = 6476572560.

The previous prime is 13021320283. The next prime is 13021320337. The reversal of 13021320332 is 23302312031.

It is not an unprimeable number, because it can be changed into a prime (13021320337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8521043 + ... + 8522570.

It is an arithmetic number, because the mean of its divisors is an integer number (1908884768).

Almost surely, 2^13021320332 is an apocalyptic number.

It is an amenable number.

13021320332 is a deficient number, since it is larger than the sum of its proper divisors (9885296884).

13021320332 is a wasteful number, since it uses less digits than its factorization.

13021320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043808 (or 17043806 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13021320332 its reverse (23302312031), we get a palindrome (36323632363).

The spelling of 13021320332 in words is "thirteen billion, twenty-one million, three hundred twenty thousand, three hundred thirty-two".