13728214 has 16 divisors (see below), whose sum is σ = 21924000. Its totient is φ = 6424704.

The previous prime is 13728193. The next prime is 13728229. The reversal of 13728214 is 41282731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1370250).

Almost surely, 2^13728214 is an apocalyptic number.

13728214 is a deficient number, since it is larger than the sum of its proper divisors (8195786).

13728214 is a wasteful number, since it uses less digits than its factorization.

13728214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 2688, while the sum is 28.

The square root of 13728214 is about 3705.1604553649. The cubic root of 13728214 is about 239.4443976380. Note that the first 3 decimals are identical.

The spelling of 13728214 in words is "thirteen million, seven hundred twenty-eight thousand, two hundred fourteen".