12308232 has 16 divisors (see below), whose sum is σ = 30770640. Its totient is φ = 4102736.

The previous prime is 12308227. The next prime is 12308237. The reversal of 12308232 is 23280321.

It is an interprime number because it is at equal distance from previous prime (12308227) and next prime (12308237).

It is a junction number, because it is equal to n+sod(n) for n = 12308199 and 12308208.

It is not an unprimeable number, because it can be changed into a prime (12308237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256398 + ... + 256445.

It is an arithmetic number, because the mean of its divisors is an integer number (1923165).

Almost surely, 2^12308232 is an apocalyptic number.

12308232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12308232 is an abundant number, since it is smaller than the sum of its proper divisors (18462408).

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

12308232 is a wasteful number, since it uses less digits than its factorization.

12308232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512852 (or 512848 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12308232 is about 3508.3089943732. The cubic root of 12308232 is about 230.8865093454.

Adding to 12308232 its reverse (23280321), we get a palindrome (35588553).

The spelling of 12308232 in words is "twelve million, three hundred eight thousand, two hundred thirty-two".