13705075321 has 16 divisors (see below), whose sum is σ = 15903461376. Its totient is φ = 11566968336.

The previous prime is 13705075303. The next prime is 13705075361. The reversal of 13705075321 is 12357050731.

It is not a de Polignac number, because 13705075321 - 2⁹ = 13705074809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13705075301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480710 + ... + 1489936.

It is an arithmetic number, because the mean of its divisors is an integer number (993966336).

Almost surely, 2^13705075321 is an apocalyptic number.

It is an amenable number.

13705075321 is a deficient number, since it is larger than the sum of its proper divisors (2198386055).

13705075321 is an equidigital number, since it uses as much as digits as its factorization.

13705075321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468.

The product of its (nonzero) digits is 22050, while the sum is 34.

The spelling of 13705075321 in words is "thirteen billion, seven hundred five million, seventy-five thousand, three hundred twenty-one".