14128717 has 8 divisors (see below), whose sum is σ = 15278976. Its totient is φ = 13013952.

The previous prime is 14128711. The next prime is 14128733. The reversal of 14128717 is 71782141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14128717 is a prime.

It is a super-3 number, since 3×14128717³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14128711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8043 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (1909872).

Almost surely, 2^14128717 is an apocalyptic number.

14128717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14128717 is a deficient number, since it is larger than the sum of its proper divisors (1150259).

14128717 is a wasteful number, since it uses less digits than its factorization.

14128717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747.

The product of its digits is 3136, while the sum is 31.

The square root of 14128717 is about 3758.8185643896. The cubic root of 14128717 is about 241.7506082293.

The spelling of 14128717 in words is "fourteen million, one hundred twenty-eight thousand, seven hundred seventeen".