13928273 has 4 divisors (see below), whose sum is σ = 14661360. Its totient is φ = 13195188.

The previous prime is 13928263. The next prime is 13928281. The reversal of 13928273 is 37282931.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13928273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13928263) 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 3 ways as a sum of consecutive naturals, for example, 366515 + ... + 366552.

It is an arithmetic number, because the mean of its divisors is an integer number (3665340).

Almost surely, 2^13928273 is an apocalyptic number.

It is an amenable number.

13928273 is a deficient number, since it is larger than the sum of its proper divisors (733087).

13928273 is an equidigital number, since it uses as much as digits as its factorization.

13928273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733086.

The product of its digits is 18144, while the sum is 35.

The square root of 13928273 is about 3732.0601549278. The cubic root of 13928273 is about 240.6019208314.

The spelling of 13928273 in words is "thirteen million, nine hundred twenty-eight thousand, two hundred seventy-three".