14728147 has 4 divisors (see below), whose sum is σ = 16832176. Its totient is φ = 12624120.

The previous prime is 14728127. The next prime is 14728157. The reversal of 14728147 is 74182741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74182741 = 1933 ⋅38377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14728147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14728127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052004 + ... + 1052017.

It is an arithmetic number, because the mean of its divisors is an integer number (4208044).

Almost surely, 2^14728147 is an apocalyptic number.

14728147 is a deficient number, since it is larger than the sum of its proper divisors (2104029).

14728147 is an equidigital number, since it uses as much as digits as its factorization.

14728147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104028.

The product of its digits is 12544, while the sum is 34.

The square root of 14728147 is about 3837.7268011155. The cubic root of 14728147 is about 245.1222324959.

The spelling of 14728147 in words is "fourteen million, seven hundred twenty-eight thousand, one hundred forty-seven".