12320032 has 12 divisors (see below), whose sum is σ = 24255126. Its totient is φ = 6160000.

The previous prime is 12320023. The next prime is 12320047. The reversal of 12320032 is 23002321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 2808976 = 3084^2 + 1676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12319994 and 12320021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192469 + ... + 192532.

Almost surely, 2^12320032 is an apocalyptic number.

It is an amenable number.

12320032 is a deficient number, since it is larger than the sum of its proper divisors (11935094).

12320032 is an equidigital number, since it uses as much as digits as its factorization.

12320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385011 (or 385003 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 12320032 is about 3509.9903133769. The cubic root of 12320032 is about 230.9602700236.

Adding to 12320032 its reverse (23002321), we get a palindrome (35322353).

The spelling of 12320032 in words is "twelve million, three hundred twenty thousand, thirty-two".