13705073 has 2 divisors, whose sum is σ = 13705074. Its totient is φ = 13705072.

The previous prime is 13705067. The next prime is 13705103. The reversal of 13705073 is 37050731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 2729104 = 3313^2 + 1652^2 .

It is an emirp because it is prime and its reverse (37050731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13705073 - 2⁴ = 13705057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13705273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852536 + 6852537.

It is an arithmetic number, because the mean of its divisors is an integer number (6852537).

Almost surely, 2^13705073 is an apocalyptic number.

It is an amenable number.

13705073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13705073 is an equidigital number, since it uses as much as digits as its factorization.

13705073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 13705073 is about 3702.0363315343. The cubic root of 13705073 is about 239.3097819452.

The spelling of 13705073 in words is "thirteen million, seven hundred five thousand, seventy-three".