14231728 has 40 divisors (see below), whose sum is σ = 32537600. Its totient is φ = 5901120.

The previous prime is 14231713. The next prime is 14231729. The reversal of 14231728 is 82713241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 14231696 and 14231705.

It is not an unprimeable number, because it can be changed into a prime (14231729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (813440).

Almost surely, 2^14231728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14231728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16268800).

14231728 is an abundant number, since it is smaller than the sum of its proper divisors (18305872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14231728 is a wasteful number, since it uses less digits than its factorization.

14231728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4139 counting only the distinct ones).

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

The square root of 14231728 is about 3772.4962557967. The cubic root of 14231728 is about 242.3367122662.

Adding to 14231728 its reverse (82713241), we get a palindrome (96944969).

The spelling of 14231728 in words is "fourteen million, two hundred thirty-one thousand, seven hundred twenty-eight".