7112681 has 8 divisors (see below), whose sum is σ = 7858944. Its totient is φ = 6402880.

The previous prime is 7112663. The next prime is 7112683. The reversal of 7112681 is 1862117.

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

It is a de Polignac number, because none of the positive numbers 2^k-7112681 is a prime.

It is a super-2 number, since 2×7112681² = 101180462015522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7112681.

It is not an unprimeable number, because it can be changed into a prime (7112683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (982368).

Almost surely, 2^7112681 is an apocalyptic number.

It is an amenable number.

7112681 is a deficient number, since it is larger than the sum of its proper divisors (746263).

7112681 is a wasteful number, since it uses less digits than its factorization.

7112681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231.

The product of its digits is 672, while the sum is 26.

The square root of 7112681 is about 2666.9610045893. The cubic root of 7112681 is about 192.3140927388.

Adding to 7112681 its reverse (1862117), we get a palindrome (8974798).

The spelling of 7112681 in words is "seven million, one hundred twelve thousand, six hundred eighty-one".