14432728 has 16 divisors (see below), whose sum is σ = 28653480. Its totient is φ = 6791808.

The previous prime is 14432689. The next prime is 14432729. The reversal of 14432728 is 82723441.

It is a self number, because there is not a number n which added to its sum of digits gives 14432728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14432729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52926 + ... + 53197.

Almost surely, 2^14432728 is an apocalyptic number.

It is an amenable number.

14432728 is a deficient number, since it is larger than the sum of its proper divisors (14220752).

14432728 is a wasteful number, since it uses less digits than its factorization.

14432728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106146 (or 106142 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 14432728 is about 3799.0430373977. The cubic root of 14432728 is about 243.4722536118.

The spelling of 14432728 in words is "fourteen million, four hundred thirty-two thousand, seven hundred twenty-eight".