7120013 has 2 divisors, whose sum is σ = 7120014. Its totient is φ = 7120012.

The previous prime is 7120007. The next prime is 7120031. The reversal of 7120013 is 3100217.

Together with next prime (7120031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 779689 = 2518^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 7120013 - 2²⁰ = 6071437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7120013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7120063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560006 + 3560007.

It is an arithmetic number, because the mean of its divisors is an integer number (3560007).

Almost surely, 2^7120013 is an apocalyptic number.

It is an amenable number.

7120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7120013 is an equidigital number, since it uses as much as digits as its factorization.

7120013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 7120013 is about 2668.3352488021. The cubic root of 7120013 is about 192.3801514067.

The spelling of 7120013 in words is "seven million, one hundred twenty thousand, thirteen".