14308728 has 64 divisors (see below), whose sum is σ = 41679360. Its totient is φ = 4008576.

The previous prime is 14308703. The next prime is 14308733. The reversal of 14308728 is 82780341.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8101 + ... + 9707.

It is an arithmetic number, because the mean of its divisors is an integer number (651240).

Almost surely, 2^14308728 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 14308728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20839680).

14308728 is an abundant number, since it is smaller than the sum of its proper divisors (27370632).

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

14308728 is a wasteful number, since it uses less digits than its factorization.

14308728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 14308728 is about 3782.6879332031. The cubic root of 14308728 is about 242.7729763373.

The spelling of 14308728 in words is "fourteen million, three hundred eight thousand, seven hundred twenty-eight".