12321025 has 12 divisors (see below), whose sum is σ = 16082800. Its totient is φ = 9337680.

The previous prime is 12321017. The next prime is 12321041. The reversal of 12321025 is 52012321.

It is not a de Polignac number, because 12321025 - 2³ = 12321017 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 12495 + ... + 13444.

Almost surely, 2^12321025 is an apocalyptic number.

It is an amenable number.

12321025 is a deficient number, since it is larger than the sum of its proper divisors (3761775).

12321025 is a wasteful number, since it uses less digits than its factorization.

12321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25968 (or 25963 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12321025 is about 3510.1317639086. The cubic root of 12321025 is about 230.9664750233.

Adding to 12321025 its reverse (52012321), we get a palindrome (64333346).

The spelling of 12321025 in words is "twelve million, three hundred twenty-one thousand, twenty-five".