13047328905 has 32 divisors (see below), whose sum is σ = 22512059136. Its totient is φ = 6414584064.

The previous prime is 13047328883. The next prime is 13047328967. The reversal of 13047328905 is 50982374031.

It is not a de Polignac number, because 13047328905 - 2²⁰ = 13046280329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99859 + ... + 189911.

It is an arithmetic number, because the mean of its divisors is an integer number (703501848).

Almost surely, 2^13047328905 is an apocalyptic number.

13047328905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13047328905 is a deficient number, since it is larger than the sum of its proper divisors (9464730231).

13047328905 is a wasteful number, since it uses less digits than its factorization.

13047328905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90817.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 13047328905 in words is "thirteen billion, forty-seven million, three hundred twenty-eight thousand, nine hundred five".