12512025 has 18 divisors (see below), whose sum is σ = 22410830. Its totient is φ = 6672960.

The previous prime is 12511991. The next prime is 12512029. The reversal of 12512025 is 52021521.

12512025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 149769 + 12362256 = 387^2 + 3516^2 .

It is not a de Polignac number, because 12512025 - 2⁸ = 12511769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12511989 and 12512007.

It is not an unprimeable number, because it can be changed into a prime (12512029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27580 + ... + 28029.

Almost surely, 2^12512025 is an apocalyptic number.

12512025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12512025 is a deficient number, since it is larger than the sum of its proper divisors (9898805).

12512025 is a wasteful number, since it uses less digits than its factorization.

12512025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55625 (or 55617 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12512025 is about 3537.2340889458. The cubic root of 12512025 is about 232.1538379703.

Adding to 12512025 its reverse (52021521), we get a palindrome (64533546).

The spelling of 12512025 in words is "twelve million, five hundred twelve thousand, twenty-five".