13351265 has 8 divisors (see below), whose sum is σ = 16454760. Its totient is φ = 10392192.

The previous prime is 13351259. The next prime is 13351267. The reversal of 13351265 is 56215331.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 12327121 = 1012^2 + 3511^2 .

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 13351265 - 2⁴ = 13351249 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13351267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35900 + ... + 36269.

It is an arithmetic number, because the mean of its divisors is an integer number (2056845).

Almost surely, 2^13351265 is an apocalyptic number.

It is an amenable number.

13351265 is a deficient number, since it is larger than the sum of its proper divisors (3103495).

13351265 is an equidigital number, since it uses as much as digits as its factorization.

13351265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72211.

The product of its digits is 2700, while the sum is 26.

The square root of 13351265 is about 3653.9382862878. The cubic root of 13351265 is about 237.2324743892.

Adding to 13351265 its reverse (56215331), we get a palindrome (69566596).

The spelling of 13351265 in words is "thirteen million, three hundred fifty-one thousand, two hundred sixty-five".