115647 has 8 divisors (see below), whose sum is σ = 176256. Its totient is φ = 66072.

The previous prime is 115637. The next prime is 115657. The reversal of 115647 is 746511.

It is an interprime number because it is at equal distance from previous prime (115637) and next prime (115657).

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

It is not a de Polignac number, because 115647 - 2⁴ = 115631 is a prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115637) 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, 2733 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2¹¹⁵⁶⁴⁷ is an apocalyptic number.

115647 is a deficient number, since it is larger than the sum of its proper divisors (60609).

115647 is an equidigital number, since it uses as much as digits as its factorization.

115647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517.

The product of its digits is 840, while the sum is 24.

The square root of 115647 is about 340.0691106231. The cubic root of 115647 is about 48.7204686364.

The spelling of 115647 in words is "one hundred fifteen thousand, six hundred forty-seven".