12136768 has 28 divisors (see below), whose sum is σ = 27525472. Its totient is φ = 5201280.

The previous prime is 12136741. The next prime is 12136769. The reversal of 12136768 is 86763121.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×12136768² = 294602274971648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13098 + ... + 13993.

Almost surely, 2^12136768 is an apocalyptic number.

It is an amenable number.

12136768 is an abundant number, since it is smaller than the sum of its proper divisors (15388704).

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

12136768 is an equidigital number, since it uses as much as digits as its factorization.

12136768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27110 (or 27100 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 12136768 is about 3483.7864458086. The cubic root of 12136768 is about 229.8093442072.

Adding to 12136768 its reverse (86763121), we get a palindrome (98899889).

The spelling of 12136768 in words is "twelve million, one hundred thirty-six thousand, seven hundred sixty-eight".