12012625 has 16 divisors (see below), whose sum is σ = 15876432. Its totient is φ = 9043200.

The previous prime is 12012619. The next prime is 12012629. The reversal of 12012625 is 52621021.

12012625 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1096209 + 10916416 = 1047^2 + 3304^2 .

It is not a de Polignac number, because 12012625 - 2⁹ = 12012113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (992277).

Almost surely, 2^12012625 is an apocalyptic number.

It is an amenable number.

12012625 is a deficient number, since it is larger than the sum of its proper divisors (3863807).

12012625 is an equidigital number, since it uses as much as digits as its factorization.

12012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12012625 is about 3465.9233978840. The cubic root of 12012625 is about 229.0231093553.

Adding to 12012625 its reverse (52621021), we get a palindrome (64633646).

The spelling of 12012625 in words is "twelve million, twelve thousand, six hundred twenty-five".