12136208 has 20 divisors (see below), whose sum is σ = 26873280. Its totient is φ = 5201184.

The previous prime is 12136171. The next prime is 12136211. The reversal of 12136208 is 80263121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54068 + ... + 54291.

It is an arithmetic number, because the mean of its divisors is an integer number (1343664).

Almost surely, 2^12136208 is an apocalyptic number.

It is an amenable number.

12136208 is an abundant number, since it is smaller than the sum of its proper divisors (14737072).

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

12136208 is a wasteful number, since it uses less digits than its factorization.

12136208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108374 (or 108368 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12136208 is about 3483.7060725612. The cubic root of 12136208 is about 229.8058096250.

Adding to 12136208 its reverse (80263121), we get a palindrome (92399329).

The spelling of 12136208 in words is "twelve million, one hundred thirty-six thousand, two hundred eight".