12242136 has 16 divisors (see below), whose sum is σ = 30605400. Its totient is φ = 4080704.

The previous prime is 12242123. The next prime is 12242161. The reversal of 12242136 is 63124221.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255021 + ... + 255068.

Almost surely, 2^12242136 is an apocalyptic number.

It is an amenable number.

12242136 is an abundant number, since it is smaller than the sum of its proper divisors (18363264).

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

12242136 is a wasteful number, since it uses less digits than its factorization.

12242136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510098 (or 510094 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 12242136 is about 3498.8763910719. The cubic root of 12242136 is about 230.4724755115.

Adding to 12242136 its reverse (63124221), we get a palindrome (75366357).

The spelling of 12242136 in words is "twelve million, two hundred forty-two thousand, one hundred thirty-six".