12320232 has 32 divisors (see below), whose sum is σ = 30888000. Its totient is φ = 4095104.

The previous prime is 12320219. The next prime is 12320239. The reversal of 12320232 is 23202321.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12320239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13948 + ... + 14804.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^12320232 is an apocalyptic number.

12320232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320232 is an abundant number, since it is smaller than the sum of its proper divisors (18567768).

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

12320232 is a wasteful number, since it uses less digits than its factorization.

12320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12320232 is about 3510.0188033684. The cubic root of 12320232 is about 230.9615197986.

Adding to 12320232 its reverse (23202321), we get a palindrome (35522553).

The spelling of 12320232 in words is "twelve million, three hundred twenty thousand, two hundred thirty-two".