14728647 has 16 divisors (see below), whose sum is σ = 21189600. Its totient is φ = 9065472.

The previous prime is 14728639. The next prime is 14728663. The reversal of 14728647 is 74682741.

It is not a de Polignac number, because 14728647 - 2³ = 14728639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (1324350).

Almost surely, 2^14728647 is an apocalyptic number.

14728647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14728647 is a deficient number, since it is larger than the sum of its proper divisors (6460953).

14728647 is a wasteful number, since it uses less digits than its factorization.

14728647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522.

The product of its digits is 75264, while the sum is 39.

The square root of 14728647 is about 3837.7919432924. The cubic root of 14728647 is about 245.1250063169.

The spelling of 14728647 in words is "fourteen million, seven hundred twenty-eight thousand, six hundred forty-seven".