108697 has 4 divisors (see below), whose sum is σ = 110260. Its totient is φ = 107136.

The previous prime is 108677. The next prime is 108707. The reversal of 108697 is 796801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 67081 = 204^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 108697 - 2¹¹ = 106649 is a prime.

It is a Duffinian number.

108697 is a lucky number.

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 108697.

It is not an unprimeable number, because it can be changed into a prime (108637) 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, 672 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (27565).

2¹⁰⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

108697 is a deficient number, since it is larger than the sum of its proper divisors (1563).

108697 is an equidigital number, since it uses as much as digits as its factorization.

108697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 108697 is about 329.6922807710. The cubic root of 108697 is about 47.7242581206.

The spelling of 108697 in words is "one hundred eight thousand, six hundred ninety-seven".