13275265 has 4 divisors (see below), whose sum is σ = 15930324. Its totient is φ = 10620208.

The previous prime is 13275263. The next prime is 13275277. The reversal of 13275265 is 56257231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56257231 = 73 ⋅770647.

It can be written as a sum of positive squares in 2 ways, for example, as 3283344 + 9991921 = 1812^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 13275265 - 2¹ = 13275263 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13275263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327522 + ... + 1327531.

It is an arithmetic number, because the mean of its divisors is an integer number (3982581).

Almost surely, 2^13275265 is an apocalyptic number.

It is an amenable number.

13275265 is a deficient number, since it is larger than the sum of its proper divisors (2655059).

13275265 is an equidigital number, since it uses as much as digits as its factorization.

13275265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655058.

The product of its digits is 12600, while the sum is 31.

The square root of 13275265 is about 3643.5237065237. The cubic root of 13275265 is about 236.7814812433.

The spelling of 13275265 in words is "thirteen million, two hundred seventy-five thousand, two hundred sixty-five".