13823118 has 12 divisors (see below), whose sum is σ = 29950128. Its totient is φ = 4607700.

The previous prime is 13823113. The next prime is 13823119. The reversal of 13823118 is 81132831.

It is a junction number, because it is equal to n+sod(n) for n = 13823091 and 13823100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383958 + ... + 383993.

It is an arithmetic number, because the mean of its divisors is an integer number (2495844).

Almost surely, 2^13823118 is an apocalyptic number.

13823118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13823118 is an abundant number, since it is smaller than the sum of its proper divisors (16127010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13823118 is a wasteful number, since it uses less digits than its factorization.

13823118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767959 (or 767956 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 13823118 is about 3717.9454003522. The cubic root of 13823118 is about 239.9948957248.

Adding to 13823118 its reverse (81132831), we get a palindrome (94955949).

The spelling of 13823118 in words is "thirteen million, eight hundred twenty-three thousand, one hundred eighteen".