7913105 has 4 divisors (see below), whose sum is σ = 9495732. Its totient is φ = 6330480.

The previous prime is 7913099. The next prime is 7913117. The reversal of 7913105 is 5013197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5013197 = 7 ⋅716171.

It can be written as a sum of positive squares in 2 ways, for example, as 2362369 + 5550736 = 1537^2 + 2356^2 .

It is not a de Polignac number, because 7913105 - 2¹⁰ = 7912081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 791306 + ... + 791315.

It is an arithmetic number, because the mean of its divisors is an integer number (2373933).

Almost surely, 2^7913105 is an apocalyptic number.

It is an amenable number.

7913105 is a deficient number, since it is larger than the sum of its proper divisors (1582627).

7913105 is a wasteful number, since it uses less digits than its factorization.

7913105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582626.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 7913105 is about 2813.0241733764. The cubic root of 7913105 is about 199.2732372786.

The spelling of 7913105 in words is "seven million, nine hundred thirteen thousand, one hundred five".