14213728 has 12 divisors (see below), whose sum is σ = 27983340. Its totient is φ = 7106848.

The previous prime is 14213711. The next prime is 14213743. The reversal of 14213728 is 82731241.

It is a junction number, because it is equal to n+sod(n) for n = 14213696 and 14213705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222058 + ... + 222121.

It is an arithmetic number, because the mean of its divisors is an integer number (2331945).

Almost surely, 2^14213728 is an apocalyptic number.

It is an amenable number.

14213728 is a deficient number, since it is larger than the sum of its proper divisors (13769612).

14213728 is an equidigital number, since it uses as much as digits as its factorization.

14213728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444189 (or 444181 counting only the distinct ones).

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

The square root of 14213728 is about 3770.1098127243. The cubic root of 14213728 is about 242.2345016485.

Adding to 14213728 its reverse (82731241), we get a palindrome (96944969).

It can be divided in two parts, 14213 and 728, that added together give a palindrome (14941).

The spelling of 14213728 in words is "fourteen million, two hundred thirteen thousand, seven hundred twenty-eight".