12500025 has 12 divisors (see below), whose sum is σ = 20666832. Its totient is φ = 6666640.

The previous prime is 12500003. The next prime is 12500029. The reversal of 12500025 is 52000521.

It is not a de Polignac number, because 12500025 - 2⁷ = 12499897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12499977 and 12500013.

It is not an unprimeable number, because it can be changed into a prime (12500029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83259 + ... + 83408.

It is an arithmetic number, because the mean of its divisors is an integer number (1722236).

Almost surely, 2^12500025 is an apocalyptic number.

12500025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12500025 is a deficient number, since it is larger than the sum of its proper divisors (8166807).

12500025 is a wasteful number, since it uses less digits than its factorization.

12500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166680 (or 166675 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 12500025 is about 3535.5374414649. The cubic root of 12500025 is about 232.0795964002.

Adding to 12500025 its reverse (52000521), we get a palindrome (64500546).

The spelling of 12500025 in words is "twelve million, five hundred thousand, twenty-five".