12017625 has 32 divisors (see below), whose sum is σ = 20317440. Its totient is φ = 6307200.

The previous prime is 12017609. The next prime is 12017627. The reversal of 12017625 is 52671021.

12017625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12017625 - 2⁴ = 12017609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12017595 and 12017604.

It is not an unprimeable number, because it can be changed into a prime (12017627) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27156 + ... + 27594.

It is an arithmetic number, because the mean of its divisors is an integer number (634920).

Almost surely, 2^12017625 is an apocalyptic number.

12017625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12017625 is a deficient number, since it is larger than the sum of its proper divisors (8299815).

12017625 is an equidigital number, since it uses as much as digits as its factorization.

12017625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12017625 is about 3466.6446313402. The cubic root of 12017625 is about 229.0548802826.

Adding to 12017625 its reverse (52671021), we get a palindrome (64688646).

The spelling of 12017625 in words is "twelve million, seventeen thousand, six hundred twenty-five".