14105728 has 96 divisors (see below), whose sum is σ = 35407260. Its totient is φ = 5548032.

The previous prime is 14105683. The next prime is 14105753. The reversal of 14105728 is 82750141.

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 28224 = 3752^2 + 168^2 .

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 = 14105696 and 14105705.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81450 + ... + 81622.

Almost surely, 2^14105728 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 14105728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17703630).

14105728 is an abundant number, since it is smaller than the sum of its proper divisors (21301532).

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

14105728 is a wasteful number, since it uses less digits than its factorization.

14105728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 14105728 is about 3755.7593107120. The cubic root of 14105728 is about 241.6194186401.

Adding to 14105728 its reverse (82750141), we get a palindrome (96855869).

The spelling of 14105728 in words is "fourteen million, one hundred five thousand, seven hundred twenty-eight".