3147812 has 12 divisors (see below), whose sum is σ = 5657820. Its totient is φ = 1531296.

The previous prime is 3147797. The next prime is 3147853. The reversal of 3147812 is 2187413.

It can be written as a sum of positive squares in 2 ways, for example, as 2383936 + 763876 = 1544^2 + 874^2 .

It is a d-powerful number, because it can be written as 3³ + 1 + 4¹⁰ + 7 + 8⁷ + 1 + 2¹¹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10487 + ... + 10782.

It is an arithmetic number, because the mean of its divisors is an integer number (471485).

Almost surely, 2^3147812 is an apocalyptic number.

It is an amenable number.

3147812 is a deficient number, since it is larger than the sum of its proper divisors (2510008).

3147812 is a wasteful number, since it uses less digits than its factorization.

3147812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21310 (or 21308 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 3147812 is about 1774.2074286847. The cubic root of 3147812 is about 146.5557724646. Note that the first 3 decimals are identical.

The spelling of 3147812 in words is "three million, one hundred forty-seven thousand, eight hundred twelve".