12325021 has 2 divisors, whose sum is σ = 12325022. Its totient is φ = 12325020.

The previous prime is 12325013. The next prime is 12325037. The reversal of 12325021 is 12052321.

It is an a-pointer prime, because the next prime (12325037) can be obtained adding 12325021 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 5244100 = 2661^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12325021 - 2³ = 12325013 is a prime.

It is a super-2 number, since 2×12325021² = 303812285300882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12324986 and 12325004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12325081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162510 + 6162511.

It is an arithmetic number, because the mean of its divisors is an integer number (6162511).

Almost surely, 2^12325021 is an apocalyptic number.

It is an amenable number.

12325021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12325021 is an equidigital number, since it uses as much as digits as its factorization.

12325021 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12325021 is about 3510.7009271654. The cubic root of 12325021 is about 230.9914416224.

Adding to 12325021 its reverse (12052321), we get a palindrome (24377342).

The spelling of 12325021 in words is "twelve million, three hundred twenty-five thousand, twenty-one".