12320425 has 24 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 9003840.

The previous prime is 12320411. The next prime is 12320431. The reversal of 12320425 is 52402321.

It is not a de Polignac number, because 12320425 - 2⁹ = 12319913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 54162 + ... + 54388.

It is an arithmetic number, because the mean of its divisors is an integer number (692664).

Almost surely, 2^12320425 is an apocalyptic number.

It is an amenable number.

12320425 is a deficient number, since it is larger than the sum of its proper divisors (4303511).

12320425 is a wasteful number, since it uses less digits than its factorization.

12320425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12320425 is about 3510.0462959910. The cubic root of 12320425 is about 230.9627258186.

Adding to 12320425 its reverse (52402321), we get a palindrome (64722746).

The spelling of 12320425 in words is "twelve million, three hundred twenty thousand, four hundred twenty-five".