12136812 has 24 divisors (see below), whose sum is σ = 28383936. Its totient is φ = 4036368.

The previous prime is 12136783. The next prime is 12136829. The reversal of 12136812 is 21863121.

12136812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12136812³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6183 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (1182664).

Almost surely, 2^12136812 is an apocalyptic number.

12136812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12136812 is an abundant number, since it is smaller than the sum of its proper divisors (16247124).

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

12136812 is a wasteful number, since it uses less digits than its factorization.

12136812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2315 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 12136812 is about 3483.7927607709. The cubic root of 12136812 is about 229.8096219198.

Adding to 12136812 its reverse (21863121), we get a palindrome (33999933).

The spelling of 12136812 in words is "twelve million, one hundred thirty-six thousand, eight hundred twelve".