13823289 has 12 divisors (see below), whose sum is σ = 20036016. Its totient is φ = 9183672.

The previous prime is 13823281. The next prime is 13823309. The reversal of 13823289 is 98232831.

It is a happy number.

It is not a de Polignac number, because 13823289 - 2³ = 13823281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13823281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (1669668).

Almost surely, 2^13823289 is an apocalyptic number.

It is an amenable number.

13823289 is a deficient number, since it is larger than the sum of its proper divisors (6212727).

13823289 is a wasteful number, since it uses less digits than its factorization.

13823289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5313 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13823289 is about 3717.9683968533. The cubic root of 13823289 is about 239.9958853461.

The spelling of 13823289 in words is "thirteen million, eight hundred twenty-three thousand, two hundred eighty-nine".