13881459 has 16 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 8645280.

The previous prime is 13881451. The next prime is 13881463. The reversal of 13881459 is 95418831.

It is not a de Polignac number, because 13881459 - 2³ = 13881451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13881451) 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 15 ways as a sum of consecutive naturals, for example, 124 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 2^13881459 is an apocalyptic number.

13881459 is a deficient number, since it is larger than the sum of its proper divisors (5886861).

13881459 is a wasteful number, since it uses less digits than its factorization.

13881459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210.

The product of its digits is 34560, while the sum is 39.

The square root of 13881459 is about 3725.7830049535. The cubic root of 13881459 is about 240.3320577228.

The spelling of 13881459 in words is "thirteen million, eight hundred eighty-one thousand, four hundred fifty-nine".