7113312 has 48 divisors (see below), whose sum is σ = 20749680. Its totient is φ = 2370816.

The previous prime is 7113311. The next prime is 7113313. The reversal of 7113312 is 2133117.

It is an interprime number because it is at equal distance from previous prime (7113311) and next prime (7113313).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7113311) 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, 3253 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (432285).

Almost surely, 2^7113312 is an apocalyptic number.

7113312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7113312 is an abundant number, since it is smaller than the sum of its proper divisors (13636368).

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

7113312 is a wasteful number, since it uses less digits than its factorization.

7113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252 (or 8238 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 7113312 is about 2667.0793014082. The cubic root of 7113312 is about 192.3197796054.

Adding to 7113312 its reverse (2133117), we get a palindrome (9246429).

The spelling of 7113312 in words is "seven million, one hundred thirteen thousand, three hundred twelve".