13728254 has 4 divisors (see below), whose sum is σ = 20592384. Its totient is φ = 6864126.

The previous prime is 13728251. The next prime is 13728259. The reversal of 13728254 is 45282731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45282731 = 13 ⋅3483287.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13728254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13728251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432062 + ... + 3432065.

It is an arithmetic number, because the mean of its divisors is an integer number (5148096).

Almost surely, 2^13728254 is an apocalyptic number.

13728254 is a deficient number, since it is larger than the sum of its proper divisors (6864130).

13728254 is an equidigital number, since it uses as much as digits as its factorization.

13728254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864129.

The product of its digits is 13440, while the sum is 32.

The square root of 13728254 is about 3705.1658532379. The cubic root of 13728254 is about 239.4446301947. Note that the first 3 decimals are identical.

The spelling of 13728254 in words is "thirteen million, seven hundred twenty-eight thousand, two hundred fifty-four".