13818336 has 48 divisors (see below), whose sum is σ = 41457024. Its totient is φ = 3947904.

The previous prime is 13818323. The next prime is 13818341. The reversal of 13818336 is 63381831.

It is a happy number.

13818336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13818297 and 13818306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9610 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (863688).

Almost surely, 2^13818336 is an apocalyptic number.

13818336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13818336 is an abundant number, since it is smaller than the sum of its proper divisors (27638688).

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

13818336 is a wasteful number, since it uses less digits than its factorization.

13818336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20583 (or 20575 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 13818336 is about 3717.3022475984. The cubic root of 13818336 is about 239.9672177446.

The spelling of 13818336 in words is "thirteen million, eight hundred eighteen thousand, three hundred thirty-six".