13589281 has 2 divisors, whose sum is σ = 13589282. Its totient is φ = 13589280.

The previous prime is 13589263. The next prime is 13589339. The reversal of 13589281 is 18298531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 3610000 = 3159^2 + 1900^2 .

It is an emirp because it is prime and its reverse (18298531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13589281 - 2⁹ = 13588769 is a prime.

It is a super-2 number, since 2×13589281² = 369337116193922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13589281.

It is not a weakly prime, because it can be changed into another prime (13589221) 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, 6794640 + 6794641.

It is an arithmetic number, because the mean of its divisors is an integer number (6794641).

Almost surely, 2^13589281 is an apocalyptic number.

It is an amenable number.

13589281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13589281 is an equidigital number, since it uses as much as digits as its factorization.

13589281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 13589281 is about 3686.3641979598. The cubic root of 13589281 is about 238.6339113817.

The spelling of 13589281 in words is "thirteen million, five hundred eighty-nine thousand, two hundred eighty-one".