14203728 has 240 divisors, whose sum is σ = 52585920. Its totient is φ = 3628800.

The previous prime is 14203727. The next prime is 14203741. The reversal of 14203728 is 82730241.

14203728 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14203727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232818 + ... + 232878.

It is an arithmetic number, because the mean of its divisors is an integer number (219108).

Almost surely, 2^14203728 is an apocalyptic number.

14203728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14203728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26292960).

14203728 is an abundant number, since it is smaller than the sum of its proper divisors (38382192).

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

14203728 is a wasteful number, since it uses less digits than its factorization.

14203728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14203728 is about 3768.7833580613. The cubic root of 14203728 is about 242.1776806813.

Adding to 14203728 its reverse (82730241), we get a palindrome (96933969).

The spelling of 14203728 in words is "fourteen million, two hundred three thousand, seven hundred twenty-eight".