113647 has 2 divisors, whose sum is σ = 113648. Its totient is φ = 113646.

The previous prime is 113623. The next prime is 113657. The reversal of 113647 is 746311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113647 - 2¹¹ = 111599 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56823 + 56824.

It is an arithmetic number, because the mean of its divisors is an integer number (56824).

2¹¹³⁶⁴⁷ is an apocalyptic number.

113647 is a deficient number, since it is larger than the sum of its proper divisors (1).

113647 is an equidigital number, since it uses as much as digits as its factorization.

113647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 113647 is about 337.1157071393. The cubic root of 113647 is about 48.4379764781.

Adding to 113647 its reverse (746311), we get a palindrome (859958).

The spelling of 113647 in words is "one hundred thirteen thousand, six hundred forty-seven".