13868129 has 16 divisors (see below), whose sum is σ = 15876096. Its totient is φ = 11998800.

The previous prime is 13868123. The next prime is 13868131. The reversal of 13868129 is 92186831.

13868129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13868129 - 2¹² = 13864033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13868092 and 13868101.

It is not an unprimeable number, because it can be changed into a prime (13868123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22544 + ... + 23150.

It is an arithmetic number, because the mean of its divisors is an integer number (992256).

Almost surely, 2^13868129 is an apocalyptic number.

It is an amenable number.

13868129 is a deficient number, since it is larger than the sum of its proper divisors (2007967).

13868129 is a wasteful number, since it uses less digits than its factorization.

13868129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its digits is 20736, while the sum is 38.

The square root of 13868129 is about 3723.9936895757. The cubic root of 13868129 is about 240.2551049009.

The spelling of 13868129 in words is "thirteen million, eight hundred sixty-eight thousand, one hundred twenty-nine".