14121728 has 18 divisors (see below), whose sum is σ = 28188804. Its totient is φ = 7060736.

The previous prime is 14121727. The next prime is 14121733. The reversal of 14121728 is 82712141.

14121728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14121697 and 14121706.

It is not an unprimeable number, because it can be changed into a prime (14121727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27326 + ... + 27837.

Almost surely, 2^14121728 is an apocalyptic number.

It is an amenable number.

14121728 is a deficient number, since it is larger than the sum of its proper divisors (14067076).

14121728 is an frugal number, since it uses more digits than its factorization.

14121728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55179 (or 55165 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 14121728 is about 3757.8887689765. Note that the first 3 decimals coincide. The cubic root of 14121728 is about 241.7107396960.

Adding to 14121728 its reverse (82712141), we get a palindrome (96833869).

The spelling of 14121728 in words is "fourteen million, one hundred twenty-one thousand, seven hundred twenty-eight".