14618728 has 8 divisors (see below), whose sum is σ = 27410130. Its totient is φ = 7309360.

The previous prime is 14618719. The next prime is 14618729. The reversal of 14618728 is 82781641.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 5963364 = 2942^2 + 2442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (14618729) 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 as a sum of consecutive naturals, namely, 913663 + ... + 913678.

Almost surely, 2^14618728 is an apocalyptic number.

It is an amenable number.

14618728 is a deficient number, since it is larger than the sum of its proper divisors (12791402).

14618728 is a wasteful number, since it uses less digits than its factorization.

14618728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827347 (or 1827343 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 14618728 is about 3823.4445203246. Note that the first 3 decimals coincide. The cubic root of 14618728 is about 244.5136987124.

The spelling of 14618728 in words is "fourteen million, six hundred eighteen thousand, seven hundred twenty-eight".