13886281 has 4 divisors (see below), whose sum is σ = 13910292. Its totient is φ = 13862272.

The previous prime is 13886269. The next prime is 13886293. The reversal of 13886281 is 18268831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13886269) and next prime (13886293).

It can be written as a sum of positive squares in 2 ways, for example, as 7209225 + 6677056 = 2685^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 13886281 - 2⁷ = 13886153 is a prime.

It is a super-2 number, since 2×13886281² = 385657600021922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13886281.

It is not an unprimeable number, because it can be changed into a prime (13886221) 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 3 ways as a sum of consecutive naturals, for example, 11116 + ... + 12301.

It is an arithmetic number, because the mean of its divisors is an integer number (3477573).

Almost surely, 2^13886281 is an apocalyptic number.

It is an amenable number.

13886281 is a deficient number, since it is larger than the sum of its proper divisors (24011).

13886281 is an equidigital number, since it uses as much as digits as its factorization.

13886281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24010.

The product of its digits is 18432, while the sum is 37.

The square root of 13886281 is about 3726.4300610638. The cubic root of 13886281 is about 240.3598825363.

The spelling of 13886281 in words is "thirteen million, eight hundred eighty-six thousand, two hundred eighty-one".