3120613 has 2 divisors, whose sum is σ = 3120614. Its totient is φ = 3120612.

The previous prime is 3120599. The next prime is 3120619. The reversal of 3120613 is 3160213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 567009 = 1598^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120613 - 2¹⁷ = 2989541 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560306 + 1560307.

It is an arithmetic number, because the mean of its divisors is an integer number (1560307).

Almost surely, 2^3120613 is an apocalyptic number.

It is an amenable number.

3120613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120613 is an equidigital number, since it uses as much as digits as its factorization.

3120613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3120613 is about 1766.5256861988. The cubic root of 3120613 is about 146.1324406538.

Adding to 3120613 its reverse (3160213), we get a palindrome (6280826).

The spelling of 3120613 in words is "three million, one hundred twenty thousand, six hundred thirteen".