13261065 has 16 divisors (see below), whose sum is σ = 21267456. Its totient is φ = 7056000.

The previous prime is 13261063. The next prime is 13261099. The reversal of 13261065 is 56016231.

It is not a de Polignac number, because 13261065 - 2¹ = 13261063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13261063) 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, 8280 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (1329216).

Almost surely, 2^13261065 is an apocalyptic number.

13261065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13261065 is a deficient number, since it is larger than the sum of its proper divisors (8006391).

13261065 is a wasteful number, since it uses less digits than its factorization.

13261065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13261065 is about 3641.5745220989. The cubic root of 13261065 is about 236.6970260157.

Adding to 13261065 its reverse (56016231), we get a palindrome (69277296).

The spelling of 13261065 in words is "thirteen million, two hundred sixty-one thousand, sixty-five".