13862289 has 16 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 7859280.

The previous prime is 13862281. The next prime is 13862333. The reversal of 13862289 is 98226831.

It is a happy number.

13862289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13862289 - 2³ = 13862281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13862281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^13862289 is an apocalyptic number.

It is an amenable number.

13862289 is a deficient number, since it is larger than the sum of its proper divisors (7426671).

13862289 is a wasteful number, since it uses less digits than its factorization.

13862289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its digits is 41472, while the sum is 39.

The square root of 13862289 is about 3723.2095025663. The cubic root of 13862289 is about 240.2213756018.

The spelling of 13862289 in words is "thirteen million, eight hundred sixty-two thousand, two hundred eighty-nine".