16247 has 8 divisors (see below), whose sum is σ = 20352. Its totient is φ = 12600.

The previous prime is 16231. The next prime is 16249. The reversal of 16247 is 74261.

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

It is not a de Polignac number, because 16247 - 2⁴ = 16231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16249) 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, 29 + ... + 182.

It is an arithmetic number, because the mean of its divisors is an integer number (2544).

2¹⁶²⁴⁷ is an apocalyptic number.

16247 is a deficient number, since it is larger than the sum of its proper divisors (4105).

16247 is a wasteful number, since it uses less digits than its factorization.

16247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 336, while the sum is 20.

The square root of 16247 is about 127.4637203286. The cubic root of 16247 is about 25.3274262928.

The spelling of 16247 in words is "sixteen thousand, two hundred forty-seven".