13823669 has 4 divisors (see below), whose sum is σ = 14636844. Its totient is φ = 13010496.

The previous prime is 13823627. The next prime is 13823717. The reversal of 13823669 is 96632831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96632831 = 1049 ⋅92119.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 8702500 = 2263^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 13823669 - 2¹⁶ = 13758133 is a prime.

It is a super-3 number, since 3×13823669³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406562 + ... + 406595.

It is an arithmetic number, because the mean of its divisors is an integer number (3659211).

Almost surely, 2^13823669 is an apocalyptic number.

It is an amenable number.

13823669 is a deficient number, since it is larger than the sum of its proper divisors (813175).

13823669 is an equidigital number, since it uses as much as digits as its factorization.

13823669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813174.

The product of its digits is 46656, while the sum is 38.

The square root of 13823669 is about 3718.0194996799. The cubic root of 13823669 is about 239.9980844755.

The spelling of 13823669 in words is "thirteen million, eight hundred twenty-three thousand, six hundred sixty-nine".