8109913 has 8 divisors (see below), whose sum is σ = 9289280. Its totient is φ = 6935760.

The previous prime is 8109887. The next prime is 8109917. The reversal of 8109913 is 3199018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8109913 - 2¹³ = 8101721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8109917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (1161160).

Almost surely, 2^8109913 is an apocalyptic number.

It is an amenable number.

8109913 is a deficient number, since it is larger than the sum of its proper divisors (1179367).

8109913 is a wasteful number, since it uses less digits than its factorization.

8109913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 8109913 is about 2847.7908982227. The cubic root of 8109913 is about 200.9117786485.

The spelling of 8109913 in words is "eight million, one hundred nine thousand, nine hundred thirteen".