13838188 has 36 divisors (see below), whose sum is σ = 30343152. Its totient is φ = 5473440.

The previous prime is 13838179. The next prime is 13838189. The reversal of 13838188 is 88183831.

It is a self number, because there is not a number n which added to its sum of digits gives 13838188.

It is not an unprimeable number, because it can be changed into a prime (13838189) 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 11 ways as a sum of consecutive naturals, for example, 168 + ... + 5263.

Almost surely, 2^13838188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13838188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15171576).

13838188 is an abundant number, since it is smaller than the sum of its proper divisors (16504964).

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

13838188 is a wasteful number, since it uses less digits than its factorization.

13838188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462 (or 5453 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 13838188 is about 3719.9715052672. The cubic root of 13838188 is about 240.0820784080.

The spelling of 13838188 in words is "thirteen million, eight hundred thirty-eight thousand, one hundred eighty-eight".