113556 has 12 divisors (see below), whose sum is σ = 264992. Its totient is φ = 37848.

The previous prime is 113539. The next prime is 113557. The reversal of 113556 is 655311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113557) 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, 4720 + ... + 4743.

2¹¹³⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

113556 is an abundant number, since it is smaller than the sum of its proper divisors (151436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113556 is a wasteful number, since it uses less digits than its factorization.

113556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470 (or 9468 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 113556 is about 336.9807116142. The cubic root of 113556 is about 48.4250445255.

Adding to 113556 its reverse (655311), we get a palindrome (768867).

The spelling of 113556 in words is "one hundred thirteen thousand, five hundred fifty-six".