3321013 has 4 divisors (see below), whose sum is σ = 3324780. Its totient is φ = 3317248.

The previous prime is 3320971. The next prime is 3321037. The reversal of 3321013 is 3101233.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 3073009 = 498^2 + 1753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321013 is a prime.

It is a super-2 number, since 2×3321013² = 22058254692338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3320984 and 3321002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (831195).

Almost surely, 2^3321013 is an apocalyptic number.

It is an amenable number.

3321013 is a deficient number, since it is larger than the sum of its proper divisors (3767).

3321013 is a wasteful number, since it uses less digits than its factorization.

3321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3321013 is about 1822.3646726163. The cubic root of 3321013 is about 149.1958896725.

Adding to 3321013 its reverse (3101233), we get a palindrome (6422246).

The spelling of 3321013 in words is "three million, three hundred twenty-one thousand, thirteen".