12501225 has 36 divisors (see below), whose sum is σ = 24431472. Its totient is φ = 6060000.

The previous prime is 12501193. The next prime is 12501257. The reversal of 12501225 is 52210521.

It is an interprime number because it is at equal distance from previous prime (12501193) and next prime (12501257).

It is not a de Polignac number, because 12501225 - 2⁵ = 12501193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12501198 and 12501207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (678652).

Almost surely, 2^12501225 is an apocalyptic number.

12501225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12501225 is a deficient number, since it is larger than the sum of its proper divisors (11930247).

12501225 is a wasteful number, since it uses less digits than its factorization.

12501225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5070 counting only the distinct ones).

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

The square root of 12501225 is about 3535.7071428499. The cubic root of 12501225 is about 232.0870226948.

Adding to 12501225 its reverse (52210521), we get a palindrome (64711746).

The spelling of 12501225 in words is "twelve million, five hundred one thousand, two hundred twenty-five".