7113865 has 16 divisors (see below), whose sum is σ = 9372096. Its totient is φ = 5140800.

The previous prime is 7113857. The next prime is 7113889. The reversal of 7113865 is 5683117.

It is not a de Polignac number, because 7113865 - 2³ = 7113857 is a prime.

It is a Duffinian number.

Its product of digits (5040) is a multiple of the sum of its prime divisors (840).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11299 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (585756).

Almost surely, 2^7113865 is an apocalyptic number.

It is an amenable number.

7113865 is a deficient number, since it is larger than the sum of its proper divisors (2258231).

7113865 is a wasteful number, since it uses less digits than its factorization.

7113865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its digits is 5040, while the sum is 31.

The square root of 7113865 is about 2667.1829708515. The cubic root of 7113865 is about 192.3247632231.

The spelling of 7113865 in words is "seven million, one hundred thirteen thousand, eight hundred sixty-five".