3072813 has 32 divisors (see below), whose sum is σ = 4669440. Its totient is φ = 1788480.

The previous prime is 3072791. The next prime is 3072829. The reversal of 3072813 is 3182703.

It is not a de Polignac number, because 3072813 - 2⁶ = 3072749 is a prime.

3072813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072413) 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 31 ways as a sum of consecutive naturals, for example, 65356 + ... + 65402.

It is an arithmetic number, because the mean of its divisors is an integer number (145920).

Almost surely, 2^3072813 is an apocalyptic number.

It is an amenable number.

3072813 is a deficient number, since it is larger than the sum of its proper divisors (1596627).

3072813 is a wasteful number, since it uses less digits than its factorization.

3072813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3072813 is about 1752.9440949443. The cubic root of 3072813 is about 145.3824702455.

The spelling of 3072813 in words is "three million, seventy-two thousand, eight hundred thirteen".