3047213 has 8 divisors (see below), whose sum is σ = 3304728. Its totient is φ = 2793024.

The previous prime is 3047203. The next prime is 3047221. The reversal of 3047213 is 3127403.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 2778889 = 518^2 + 1667^2 .

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

It is not a de Polignac number, because 3047213 - 2⁴ = 3047197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (413091).

Almost surely, 2^3047213 is an apocalyptic number.

It is an amenable number.

3047213 is a deficient number, since it is larger than the sum of its proper divisors (257515).

3047213 is a wasteful number, since it uses less digits than its factorization.

3047213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3047213 is about 1745.6268215171. The cubic root of 3047213 is about 144.9776104947.

The spelling of 3047213 in words is "three million, forty-seven thousand, two hundred thirteen".