7123613 has 12 divisors (see below), whose sum is σ = 8595360. Its totient is φ = 5782536.

The previous prime is 7123607. The next prime is 7123619. The reversal of 7123613 is 3163217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7123607) and next prime (7123619).

It is not a de Polignac number, because 7123613 - 2⁶ = 7123549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7123619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (716280).

Almost surely, 2^7123613 is an apocalyptic number.

It is an amenable number.

7123613 is a deficient number, since it is larger than the sum of its proper divisors (1471747).

7123613 is a wasteful number, since it uses less digits than its factorization.

7123613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2845 counting only the distinct ones).

The product of its digits is 756, while the sum is 23.

The square root of 7123613 is about 2669.0097414584. The cubic root of 7123613 is about 192.4125695054.

The spelling of 7123613 in words is "seven million, one hundred twenty-three thousand, six hundred thirteen".