113604 has 12 divisors (see below), whose sum is σ = 265104. Its totient is φ = 37864.

The previous prime is 113591. The next prime is 113621. The reversal of 113604 is 406311.

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

It is an unprimeable number.

113604 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4722 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (22092).

2¹¹³⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

113604 is an abundant number, since it is smaller than the sum of its proper divisors (151500).

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

113604 is a wasteful number, since it uses less digits than its factorization.

113604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113604 is about 337.0519247831. The cubic root of 113604 is about 48.4318666359.

Adding to 113604 its reverse (406311), we get a palindrome (519915).

It can be divided in two parts, 113 and 604, that added together give a palindrome (717).

The spelling of 113604 in words is "one hundred thirteen thousand, six hundred four".