12136311 has 40 divisors (see below), whose sum is σ = 20229264. Its totient is φ = 7188480.

The previous prime is 12136303. The next prime is 12136321. The reversal of 12136311 is 11363121.

12136311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12136311 - 2³ = 12136303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136321) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47095 + ... + 47351.

Almost surely, 2^12136311 is an apocalyptic number.

12136311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12136311 is a deficient number, since it is larger than the sum of its proper divisors (8092953).

12136311 is a wasteful number, since it uses less digits than its factorization.

12136311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 324 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 12136311 is about 3483.7208556370. The cubic root of 12136311 is about 229.8064597438.

Adding to 12136311 its reverse (11363121), we get a palindrome (23499432).

It can be divided in two parts, 1 and 2136311, that added together give a palindrome (2136312).

The spelling of 12136311 in words is "twelve million, one hundred thirty-six thousand, three hundred eleven".