2803213 has 16 divisors (see below), whose sum is σ = 3351040. Its totient is φ = 2295216.

The previous prime is 2803201. The next prime is 2803253. The reversal of 2803213 is 3123082.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2803213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20098 + ... + 20236.

It is an arithmetic number, because the mean of its divisors is an integer number (209440).

2^2803213 is an apocalyptic number.

It is an amenable number.

2803213 is a deficient number, since it is larger than the sum of its proper divisors (547827).

2803213 is a wasteful number, since it uses less digits than its factorization.

2803213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2803213 is about 1674.2798451872. The cubic root of 2803213 is about 140.9998658685. Note that the first 3 decimals are identical.

Adding to 2803213 its reverse (3123082), we get a palindrome (5926295).

The spelling of 2803213 in words is "two million, eight hundred three thousand, two hundred thirteen".