13830881 has 2 divisors, whose sum is σ = 13830882. Its totient is φ = 13830880.

The previous prime is 13830863. The next prime is 13830923. The reversal of 13830881 is 18803831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8614225 + 5216656 = 2935^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 13830881 - 2¹⁴ = 13814497 is a prime.

It is a super-2 number, since 2×13830881² = 382586538472322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13830811) by changing a digit.

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 as a sum of consecutive naturals, namely, 6915440 + 6915441.

It is an arithmetic number, because the mean of its divisors is an integer number (6915441).

Almost surely, 2^13830881 is an apocalyptic number.

It is an amenable number.

13830881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830881 is an equidigital number, since it uses as much as digits as its factorization.

13830881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 13830881 is about 3718.9892444050. The cubic root of 13830881 is about 240.0398139967.

The spelling of 13830881 in words is "thirteen million, eight hundred thirty thousand, eight hundred eighty-one".