7113613 has 8 divisors (see below), whose sum is σ = 7925400. Its totient is φ = 6339648.

The previous prime is 7113611. The next prime is 7113641. The reversal of 7113613 is 3163117.

It can be written as a sum of positive squares in 4 ways, for example, as 1814409 + 5299204 = 1347^2 + 2302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7113613 - 2¹ = 7113611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7113611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9058 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (990675).

Almost surely, 2^7113613 is an apocalyptic number.

It is an amenable number.

7113613 is a deficient number, since it is larger than the sum of its proper divisors (811787).

7113613 is a wasteful number, since it uses less digits than its factorization.

7113613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18911.

The product of its digits is 378, while the sum is 22.

The square root of 7113613 is about 2667.1357295796. The cubic root of 7113613 is about 192.3224922394.

The spelling of 7113613 in words is "seven million, one hundred thirteen thousand, six hundred thirteen".