3126812 has 24 divisors (see below), whose sum is σ = 5945856. Its totient is φ = 1430208.

The previous prime is 3126803. The next prime is 3126821. The reversal of 3126812 is 2186213.

Added to its reverse (2186213) it gives a square (5313025 = 2305²).

It is an interprime number because it is at equal distance from previous prime (3126803) and next prime (3126821).

It is a congruent number.

It is an unprimeable number.

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, 7973 + ... + 8355.

It is an arithmetic number, because the mean of its divisors is an integer number (247744).

Almost surely, 2^3126812 is an apocalyptic number.

It is an amenable number.

3126812 is a deficient number, since it is larger than the sum of its proper divisors (2819044).

3126812 is a wasteful number, since it uses less digits than its factorization.

3126812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 3126812 is about 1768.2793896893. The cubic root of 3126812 is about 146.2291391582.

Adding to 3126812 its reverse (2186213), we get a square (5313025 = 2305²).

The spelling of 3126812 in words is "three million, one hundred twenty-six thousand, eight hundred twelve".