7113 has 4 divisors (see below), whose sum is σ = 9488. Its totient is φ = 4740.

The previous prime is 7109. The next prime is 7121. The reversal of 7113 is 3117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3117 = 3 ⋅1039.

It is not a de Polignac number, because 7113 - 2² = 7109 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7103) 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, 1183 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (2372).

2⁷¹¹³ is an apocalyptic number.

It is an amenable number.

7113 is a deficient number, since it is larger than the sum of its proper divisors (2375).

7113 is a wasteful number, since it uses less digits than its factorization.

7113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374.

The product of its digits is 21, while the sum is 12.

The square root of 7113 is about 84.3386032609. The cubic root of 7113 is about 19.2316967758.

It can be divided in two parts, 7 and 113, that added together give a triangular number (120 = T₁₅).

The spelling of 7113 in words is "seven thousand, one hundred thirteen".