13885129 has 2 divisors, whose sum is σ = 13885130. Its totient is φ = 13885128.

The previous prime is 13885103. The next prime is 13885139. The reversal of 13885129 is 92158831.

13885129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 1795600 = 3477^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 13885129 - 2⁵ = 13885097 is a prime.

It is not a weakly prime, because it can be changed into another prime (13885139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6942564 + 6942565.

It is an arithmetic number, because the mean of its divisors is an integer number (6942565).

Almost surely, 2^13885129 is an apocalyptic number.

It is an amenable number.

13885129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13885129 is an equidigital number, since it uses as much as digits as its factorization.

13885129 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 13885129 is about 3726.2754863268. The cubic root of 13885129 is about 240.3532356344.

The spelling of 13885129 in words is "thirteen million, eight hundred eighty-five thousand, one hundred twenty-nine".