12105136 has 10 divisors (see below), whose sum is σ = 23453732. Its totient is φ = 6052560.

The previous prime is 12105133. The next prime is 12105143. The reversal of 12105136 is 63150121.

12105136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12105131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378270 + ... + 378301.

Almost surely, 2^12105136 is an apocalyptic number.

12105136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12105136 is a deficient number, since it is larger than the sum of its proper divisors (11348596).

12105136 is an equidigital number, since it uses as much as digits as its factorization.

12105136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756579 (or 756573 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12105136 is about 3479.2435959559. The cubic root of 12105136 is about 229.6095201773.

Adding to 12105136 its reverse (63150121), we get a palindrome (75255257).

The spelling of 12105136 in words is "twelve million, one hundred five thousand, one hundred thirty-six".