12408136 has 32 divisors (see below), whose sum is σ = 25212600. Its totient is φ = 5690880.

The previous prime is 12408131. The next prime is 12408139. The reversal of 12408136 is 63180421.

12408136 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 4 ways, for example, as 10176100 + 2232036 = 3190^2 + 1494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12408136.

It is not an unprimeable number, because it can be changed into a prime (12408131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23556 + ... + 24076.

Almost surely, 2^12408136 is an apocalyptic number.

It is an amenable number.

12408136 is an abundant number, since it is smaller than the sum of its proper divisors (12804464).

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

12408136 is a wasteful number, since it uses less digits than its factorization.

12408136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12408136 is about 3522.5184172691. The cubic root of 12408136 is about 231.5095166876.

Adding to 12408136 its reverse (63180421), we get a palindrome (75588557).

It can be divided in two parts, 12408 and 136, that added together give a square (12544 = 112²).

The spelling of 12408136 in words is "twelve million, four hundred eight thousand, one hundred thirty-six".