13800265 has 4 divisors (see below), whose sum is σ = 16560324. Its totient is φ = 11040208.

The previous prime is 13800221. The next prime is 13800307. The reversal of 13800265 is 56200831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56200831 = 71 ⋅791561.

It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 5626384 = 2859^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 13800265 - 2¹¹ = 13798217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380022 + ... + 1380031.

It is an arithmetic number, because the mean of its divisors is an integer number (4140081).

Almost surely, 2^13800265 is an apocalyptic number.

It is an amenable number.

13800265 is a deficient number, since it is larger than the sum of its proper divisors (2760059).

13800265 is an equidigital number, since it uses as much as digits as its factorization.

13800265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760058.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13800265 is about 3714.8707918311. The cubic root of 13800265 is about 239.8625659905.

The spelling of 13800265 in words is "thirteen million, eight hundred thousand, two hundred sixty-five".