13705173 has 8 divisors (see below), whose sum is σ = 20304000. Its totient is φ = 9136764.

The previous prime is 13705163. The next prime is 13705177. The reversal of 13705173 is 37150731.

It is not a de Polignac number, because 13705173 - 2¹⁴ = 13688789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 507599 = 13705173 / (1 + 3 + 7 + 0 + 5 + 1 + 7 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13705177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253773 + ... + 253826.

It is an arithmetic number, because the mean of its divisors is an integer number (2538000).

Almost surely, 2^13705173 is an apocalyptic number.

It is an amenable number.

13705173 is a deficient number, since it is larger than the sum of its proper divisors (6598827).

13705173 is an equidigital number, since it uses as much as digits as its factorization.

13705173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507608 (or 507602 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 13705173 is about 3702.0498375900. The cubic root of 13705173 is about 239.3103639905.

The spelling of 13705173 in words is "thirteen million, seven hundred five thousand, one hundred seventy-three".