7813113 has 32 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 4013760.

The previous prime is 7813111. The next prime is 7813129. The reversal of 7813113 is 3113187.

It is not a de Polignac number, because 7813113 - 2¹ = 7813111 is a prime.

It is a super-2 number, since 2×7813113² = 122089469501538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7813111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34306 + ... + 34532.

It is an arithmetic number, because the mean of its divisors is an integer number (410400).

Almost surely, 2^7813113 is an apocalyptic number.

It is an amenable number.

7813113 is a deficient number, since it is larger than the sum of its proper divisors (5319687).

7813113 is a wasteful number, since it uses less digits than its factorization.

7813113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 504, while the sum is 24.

The square root of 7813113 is about 2795.1946264974. The cubic root of 7813113 is about 198.4303211035.

The spelling of 7813113 in words is "seven million, eight hundred thirteen thousand, one hundred thirteen".