13275605 has 16 divisors (see below), whose sum is σ = 18632064. Its totient is φ = 8890560.

The previous prime is 13275571. The next prime is 13275607. The reversal of 13275605 is 50657231.

13275605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13275605 - 2¹⁰ = 13274581 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 (13275607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2906 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (1164504).

Almost surely, 2^13275605 is an apocalyptic number.

It is an amenable number.

13275605 is a deficient number, since it is larger than the sum of its proper divisors (5356459).

13275605 is an equidigital number, since it uses as much as digits as its factorization.

13275605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13275605 is about 3643.5703643542. The cubic root of 13275605 is about 236.7835026723.

The spelling of 13275605 in words is "thirteen million, two hundred seventy-five thousand, six hundred five".