113388 has 24 divisors (see below), whose sum is σ = 288960. Its totient is φ = 34320.

The previous prime is 113383. The next prime is 113417. The reversal of 113388 is 883311.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113381) by changing a digit.

113388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (12040).

2¹¹³³⁸⁸ is an apocalyptic number.

It is an amenable number.

113388 is an abundant number, since it is smaller than the sum of its proper divisors (175572).

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

113388 is a wasteful number, since it uses less digits than its factorization.

113388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 875 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 113388 is about 336.7313469221. The cubic root of 113388 is about 48.4011519886.

Adding to 113388 its reverse (883311), we get a palindrome (996699).

It can be divided in two parts, 1133 and 88, that added together give a palindrome (1221).

The spelling of 113388 in words is "one hundred thirteen thousand, three hundred eighty-eight".