13835881 has 2 divisors, whose sum is σ = 13835882. Its totient is φ = 13835880.

The previous prime is 13835879. The next prime is 13835897. The reversal of 13835881 is 18853831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13808656 + 27225 = 3716^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 13835881 - 2¹ = 13835879 is a prime.

It is a super-2 number, since 2×13835881² = 382863206092322, which contains 22 as substring.

Together with 13835879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13835881.

It is not a weakly prime, because it can be changed into another prime (13835831) 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 as a sum of consecutive naturals, namely, 6917940 + 6917941.

It is an arithmetic number, because the mean of its divisors is an integer number (6917941).

Almost surely, 2^13835881 is an apocalyptic number.

It is an amenable number.

13835881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13835881 is an equidigital number, since it uses as much as digits as its factorization.

13835881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 13835881 is about 3719.6614093221. The cubic root of 13835881 is about 240.0687360991.

The spelling of 13835881 in words is "thirteen million, eight hundred thirty-five thousand, eight hundred eighty-one".