13973173 has 2 divisors, whose sum is σ = 13973174. Its totient is φ = 13973172.

The previous prime is 13973171. The next prime is 13973191. The reversal of 13973173 is 37137931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13972644 + 529 = 3738^2 + 23^2 .

It is an emirp because it is prime and its reverse (37137931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13973173 - 2¹ = 13973171 is a prime.

Together with 13973171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13973171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986586 + 6986587.

It is an arithmetic number, because the mean of its divisors is an integer number (6986587).

Almost surely, 2^13973173 is an apocalyptic number.

It is an amenable number.

13973173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13973173 is an equidigital number, since it uses as much as digits as its factorization.

13973173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 34.

The square root of 13973173 is about 3738.0707590949. The cubic root of 13973173 is about 240.8601830143.

The spelling of 13973173 in words is "thirteen million, nine hundred seventy-three thousand, one hundred seventy-three".