12331436 has 12 divisors (see below), whose sum is σ = 23240112. Its totient is φ = 5691408.

The previous prime is 12331391. The next prime is 12331441. The reversal of 12331436 is 63413321.

12331436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118520 + ... + 118623.

It is an arithmetic number, because the mean of its divisors is an integer number (1936676).

Almost surely, 2^12331436 is an apocalyptic number.

It is an amenable number.

12331436 is a deficient number, since it is larger than the sum of its proper divisors (10908676).

12331436 is a wasteful number, since it uses less digits than its factorization.

12331436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237160 (or 237158 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 12331436 is about 3511.6144435288. The cubic root of 12331436 is about 231.0315106031.

Adding to 12331436 its reverse (63413321), we get a palindrome (75744757).

The spelling of 12331436 in words is "twelve million, three hundred thirty-one thousand, four hundred thirty-six".