13722873 has 12 divisors (see below), whose sum is σ = 18592560. Its totient is φ = 9003192.

The previous prime is 13722851. The next prime is 13722889. The reversal of 13722873 is 37822731.

It is not a de Polignac number, because 13722873 - 2⁹ = 13722361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13722803) 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 in 11 ways as a sum of consecutive naturals, for example, 12958 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (1549380).

Almost surely, 2^13722873 is an apocalyptic number.

It is an amenable number.

13722873 is a deficient number, since it is larger than the sum of its proper divisors (4869687).

13722873 is an equidigital number, since it uses as much as digits as its factorization.

13722873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1089 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 13722873 is about 3704.4396337368. The cubic root of 13722873 is about 239.4133414396.

The spelling of 13722873 in words is "thirteen million, seven hundred twenty-two thousand, eight hundred seventy-three".