14687 has 4 divisors (see below), whose sum is σ = 15480. Its totient is φ = 13896.
The previous prime is 14683. The next prime is 14699. The reversal of 14687 is 78641.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78641 = 19 ⋅4139.
It is a cyclic number.
It is not a de Polignac number, because 14687 - 22 = 14683 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 5.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14687.
It is not an unprimeable number, because it can be changed into a prime (14683) 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, 368 + ... + 405.
It is an arithmetic number, because the mean of its divisors is an integer number (3870).
214687 is an apocalyptic number.
14687 is a deficient number, since it is larger than the sum of its proper divisors (793).
14687 is an equidigital number, since it uses as much as digits as its factorization.
14687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 792.
The product of its digits is 1344, while the sum is 26.
The square root of 14687 is about 121.1899335754. The cubic root of 14687 is about 24.4893748180.
The spelling of 14687 in words is "fourteen thousand, six hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.160 sec. • engine limits •