13320173 has 4 divisors (see below), whose sum is σ = 13749888. Its totient is φ = 12890460.

The previous prime is 13320169. The next prime is 13320191. The reversal of 13320173 is 37102331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37102331 = 7 ⋅5300333.

It is a cyclic number.

It is not a de Polignac number, because 13320173 - 2² = 13320169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214811 + ... + 214872.

It is an arithmetic number, because the mean of its divisors is an integer number (3437472).

Almost surely, 2^13320173 is an apocalyptic number.

It is an amenable number.

13320173 is a deficient number, since it is larger than the sum of its proper divisors (429715).

13320173 is an equidigital number, since it uses as much as digits as its factorization.

13320173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429714.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13320173 is about 3649.6812189560. The cubic root of 13320173 is about 237.0481781146.

The spelling of 13320173 in words is "thirteen million, three hundred twenty thousand, one hundred seventy-three".