13347833728 has 32 divisors (see below), whose sum is σ = 26608842000. Its totient is φ = 6669536256.

The previous prime is 13347833699. The next prime is 13347833743. The reversal of 13347833728 is 82733874331.

13347833728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166108 + ... + 232996.

Almost surely, 2^13347833728 is an apocalyptic number.

It is an amenable number.

13347833728 is a deficient number, since it is larger than the sum of its proper divisors (13261008272).

13347833728 is an equidigital number, since it uses as much as digits as its factorization.

13347833728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68462 (or 68450 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The spelling of 13347833728 in words is "thirteen billion, three hundred forty-seven million, eight hundred thirty-three thousand, seven hundred twenty-eight".