12021325 has 6 divisors (see below), whose sum is σ = 14906474. Its totient is φ = 9617040.

The previous prime is 12021311. The next prime is 12021353. The reversal of 12021325 is 52312021.

It can be written as a sum of positive squares in 3 ways, for example, as 56644 + 11964681 = 238^2 + 3459^2 .

It is not a de Polignac number, because 12021325 - 2¹¹ = 12019277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021299 and 12021308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240402 + ... + 240451.

Almost surely, 2^12021325 is an apocalyptic number.

It is an amenable number.

12021325 is a deficient number, since it is larger than the sum of its proper divisors (2885149).

12021325 is an equidigital number, since it uses as much as digits as its factorization.

12021325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480863 (or 480858 counting only the distinct ones).

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

The square root of 12021325 is about 3467.1782475091. The cubic root of 12021325 is about 229.0783850959.

Adding to 12021325 its reverse (52312021), we get a palindrome (64333346).

The spelling of 12021325 in words is "twelve million, twenty-one thousand, three hundred twenty-five".