12818136 has 64 divisors (see below), whose sum is σ = 34408800. Its totient is φ = 3964928.

The previous prime is 12818123. The next prime is 12818161. The reversal of 12818136 is 63181821.

12818136 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 super-2 number, since 2×12818136² = 328609221028992, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36136 + ... + 36488.

Almost surely, 2^12818136 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 12818136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17204400).

12818136 is an abundant number, since it is smaller than the sum of its proper divisors (21590664).

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

12818136 is a wasteful number, since it uses less digits than its factorization.

12818136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 12818136 is about 3580.2424498908. The cubic root of 12818136 is about 234.0318460566.

Adding to 12818136 its reverse (63181821), we get a palindrome (75999957).

The spelling of 12818136 in words is "twelve million, eight hundred eighteen thousand, one hundred thirty-six".