13275785 has 8 divisors (see below), whose sum is σ = 16361736. Its totient is φ = 10333440.

The previous prime is 13275749. The next prime is 13275791. The reversal of 13275785 is 58757231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2849344 + 10426441 = 1688^2 + 3229^2 .

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

It is not a de Polignac number, because 13275785 - 2⁶ = 13275721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35696 + ... + 36065.

It is an arithmetic number, because the mean of its divisors is an integer number (2045217).

Almost surely, 2^13275785 is an apocalyptic number.

It is an amenable number.

13275785 is a deficient number, since it is larger than the sum of its proper divisors (3085951).

13275785 is an equidigital number, since it uses as much as digits as its factorization.

13275785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71803.

The product of its digits is 58800, while the sum is 38.

The square root of 13275785 is about 3643.5950653167. The cubic root of 13275785 is about 236.7845728266.

The spelling of 13275785 in words is "thirteen million, two hundred seventy-five thousand, seven hundred eighty-five".