3013021 has 12 divisors (see below), whose sum is σ = 3406396. Its totient is φ = 2661120.

The previous prime is 3013019. The next prime is 3013037. The reversal of 3013021 is 1203103.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 1092025 = 1386^2 + 1045^2 .

It is not a de Polignac number, because 3013021 - 2¹ = 3013019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012989 and 3013007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4141 + ... + 4813.

Almost surely, 2^3013021 is an apocalyptic number.

It is an amenable number.

3013021 is a deficient number, since it is larger than the sum of its proper divisors (393375).

3013021 is a wasteful number, since it uses less digits than its factorization.

3013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3013021 is about 1735.8055766704. The cubic root of 3013021 is about 144.4333173326.

Adding to 3013021 its reverse (1203103), we get a palindrome (4216124).

The spelling of 3013021 in words is "three million, thirteen thousand, twenty-one".