14013728 has 24 divisors (see below), whose sum is σ = 28542780. Its totient is φ = 6764800.

The previous prime is 14013721. The next prime is 14013733. The reversal of 14013728 is 82731041.

It can be written as a sum of positive squares in 2 ways, for example, as 13454224 + 559504 = 3668^2 + 748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14013697 and 14013706.

It is not an unprimeable number, because it can be changed into a prime (14013721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 8478.

Almost surely, 2^14013728 is an apocalyptic number.

It is an amenable number.

14013728 is an abundant number, since it is smaller than the sum of its proper divisors (14529052).

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

14013728 is a wasteful number, since it uses less digits than its factorization.

14013728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140 (or 15132 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 14013728 is about 3743.4914184488. The cubic root of 14013728 is about 241.0929779041.

Adding to 14013728 its reverse (82731041), we get a palindrome (96744769).

It can be divided in two parts, 14013 and 728, that added together give a palindrome (14741).

The spelling of 14013728 in words is "fourteen million, thirteen thousand, seven hundred twenty-eight".