13103905 has 8 divisors (see below), whose sum is σ = 16408512. Its totient is φ = 10027248.

The previous prime is 13103891. The next prime is 13103921. The reversal of 13103905 is 50930131.

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 13103905 - 2⁹ = 13103393 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 56859 + ... + 57088.

It is an arithmetic number, because the mean of its divisors is an integer number (2051064).

Almost surely, 2^13103905 is an apocalyptic number.

It is an amenable number.

13103905 is a deficient number, since it is larger than the sum of its proper divisors (3304607).

13103905 is a wasteful number, since it uses less digits than its factorization.

13103905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113975.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 13103905 is about 3619.9316291886. The cubic root of 13103905 is about 235.7582569593.

The spelling of 13103905 in words is "thirteen million, one hundred three thousand, nine hundred five".