13295281 has 4 divisors (see below), whose sum is σ = 13305700. Its totient is φ = 13284864.

The previous prime is 13295273. The next prime is 13295287. The reversal of 13295281 is 18259231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18259231 = 1409 ⋅12959.

It can be written as a sum of positive squares in 2 ways, for example, as 1461681 + 11833600 = 1209^2 + 3440^2 .

It is a 3-Lehmer number, since φ(13295281) divides (13295281-1)³.

It is a cyclic number.

It is not a de Polignac number, because 13295281 - 2³ = 13295273 is a prime.

It is a super-2 number, since 2×13295281² = 353528993737922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13295287) 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, 2976 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (3326425).

It is a Poulet number, since it divides 2^13295280-1.

Almost surely, 2^13295281 is an apocalyptic number.

It is an amenable number.

13295281 is a deficient number, since it is larger than the sum of its proper divisors (10419).

13295281 is an equidigital number, since it uses as much as digits as its factorization.

13295281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418.

The product of its digits is 4320, while the sum is 31.

The square root of 13295281 is about 3646.2694634379. The cubic root of 13295281 is about 236.9004252127.

The spelling of 13295281 in words is "thirteen million, two hundred ninety-five thousand, two hundred eighty-one".