13804218 has 12 divisors (see below), whose sum is σ = 29909178. Its totient is φ = 4601400.

The previous prime is 13804213. The next prime is 13804237. The reversal of 13804218 is 81240831.

13804218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7767369 + 6036849 = 2787^2 + 2457^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13804191 and 13804200.

It is not an unprimeable number, because it can be changed into a prime (13804213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383433 + ... + 383468.

Almost surely, 2^13804218 is an apocalyptic number.

13804218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13804218 is an abundant number, since it is smaller than the sum of its proper divisors (16104960).

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

13804218 is a wasteful number, since it uses less digits than its factorization.

13804218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766909 (or 766906 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 13804218 is about 3715.4028045422. The cubic root of 13804218 is about 239.8854661837.

The spelling of 13804218 in words is "thirteen million, eight hundred four thousand, two hundred eighteen".