12321152 has 16 divisors (see below), whose sum is σ = 24546300. Its totient is φ = 6160512.

The previous prime is 12321151. The next prime is 12321161. The reversal of 12321152 is 25112321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 12321152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321151) by changing a digit.

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 as a sum of consecutive naturals, namely, 48002 + ... + 48257.

Almost surely, 2^12321152 is an apocalyptic number.

It is an amenable number.

12321152 is a deficient number, since it is larger than the sum of its proper divisors (12225148).

12321152 is an frugal number, since it uses more digits than its factorization.

12321152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96273 (or 96261 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12321152 is about 3510.1498543510. The cubic root of 12321152 is about 230.9672685894.

Adding to 12321152 its reverse (25112321), we get a palindrome (37433473).

The spelling of 12321152 in words is "twelve million, three hundred twenty-one thousand, one hundred fifty-two".