12321032 has 32 divisors (see below), whose sum is σ = 23761920. Its totient is φ = 5987520.

The previous prime is 12321017. The next prime is 12321041. The reversal of 12321032 is 23012321.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12320998 and 12321016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67982 + ... + 68162.

It is an arithmetic number, because the mean of its divisors is an integer number (742560).

Almost surely, 2^12321032 is an apocalyptic number.

It is an amenable number.

12321032 is a deficient number, since it is larger than the sum of its proper divisors (11440888).

12321032 is a wasteful number, since it uses less digits than its factorization.

12321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12321032 is about 3510.1327610220. The cubic root of 12321032 is about 230.9665187633.

Adding to 12321032 its reverse (23012321), we get a palindrome (35333353).

The spelling of 12321032 in words is "twelve million, three hundred twenty-one thousand, thirty-two".