13997573 has 8 divisors (see below), whose sum is σ = 14451360. Its totient is φ = 13551120.

The previous prime is 13997569. The next prime is 13997611. The reversal of 13997573 is 37579931.

13997573 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13997573 - 2² = 13997569 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 (13997563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (1806420).

Almost surely, 2^13997573 is an apocalyptic number.

It is an amenable number.

13997573 is a deficient number, since it is larger than the sum of its proper divisors (453787).

13997573 is an equidigital number, since it uses as much as digits as its factorization.

13997573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its digits is 178605, while the sum is 44.

The square root of 13997573 is about 3741.3330511998. Note that the first 3 decimals coincide. The cubic root of 13997573 is about 241.0002984334. Note that the first 3 decimals are identical.

The spelling of 13997573 in words is "thirteen million, nine hundred ninety-seven thousand, five hundred seventy-three".