108647 has 16 divisors (see below), whose sum is σ = 145152. Its totient is φ = 78720.

The previous prime is 108643. The next prime is 108649. The reversal of 108647 is 746801.

It is a cyclic number.

It is not a de Polignac number, because 108647 - 2² = 108643 is a prime.

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 108647.

It is not an unprimeable number, because it can be changed into a prime (108643) 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, 1268 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2¹⁰⁸⁶⁴⁷ is an apocalyptic number.

108647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

108647 is a deficient number, since it is larger than the sum of its proper divisors (36505).

108647 is a wasteful number, since it uses less digits than its factorization.

108647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 108647 is about 329.6164437646. The cubic root of 108647 is about 47.7169393694.

The spelling of 108647 in words is "one hundred eight thousand, six hundred forty-seven".