3112813 has 8 divisors (see below), whose sum is σ = 3475296. Its totient is φ = 2763600.

The previous prime is 3112807. The next prime is 3112829. The reversal of 3112813 is 3182113.

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 3112813 - 2⁹ = 3112301 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112873) 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 7 ways as a sum of consecutive naturals, for example, 2818 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (434412).

Almost surely, 2^3112813 is an apocalyptic number.

It is an amenable number.

3112813 is a deficient number, since it is larger than the sum of its proper divisors (362483).

3112813 is a wasteful number, since it uses less digits than its factorization.

3112813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635.

The product of its digits is 144, while the sum is 19.

The square root of 3112813 is about 1764.3165815692. The cubic root of 3112813 is about 146.0105859591.

Adding to 3112813 its reverse (3182113), we get a palindrome (6294926).

The spelling of 3112813 in words is "three million, one hundred twelve thousand, eight hundred thirteen".