12289136 has 20 divisors (see below), whose sum is σ = 24044592. Its totient is φ = 6084096.

The previous prime is 12289133. The next prime is 12289159. The reversal of 12289136 is 63198221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12289133) by changing a digit.

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, 2081 + ... + 5376.

Almost surely, 2^12289136 is an apocalyptic number.

12289136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12289136 is a deficient number, since it is larger than the sum of its proper divisors (11755456).

12289136 is a wasteful number, since it uses less digits than its factorization.

12289136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568 (or 7562 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 12289136 is about 3505.5863988782. The cubic root of 12289136 is about 230.7670421217.

The spelling of 12289136 in words is "twelve million, two hundred eighty-nine thousand, one hundred thirty-six".