13075905 has 8 divisors (see below), whose sum is σ = 20921472. Its totient is φ = 6973808.

The previous prime is 13075901. The next prime is 13075919. The reversal of 13075905 is 50957031.

It is a happy number.

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 13075905 - 2² = 13075901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13075901) 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 in 7 ways as a sum of consecutive naturals, for example, 435849 + ... + 435878.

It is an arithmetic number, because the mean of its divisors is an integer number (2615184).

Almost surely, 2^13075905 is an apocalyptic number.

13075905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13075905 is a deficient number, since it is larger than the sum of its proper divisors (7845567).

13075905 is an equidigital number, since it uses as much as digits as its factorization.

13075905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871735.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 13075905 is about 3616.0620846440. The cubic root of 13075905 is about 235.5902170112.

The spelling of 13075905 in words is "thirteen million, seventy-five thousand, nine hundred five".