12504025 has 12 divisors (see below), whose sum is σ = 15799212. Its totient is φ = 9813440.

The previous prime is 12504001. The next prime is 12504029. The reversal of 12504025 is 52040521.

It can be written as a sum of positive squares in 6 ways, for example, as 729 + 12503296 = 27^2 + 3536^2 .

It is not a de Polignac number, because 12504025 - 2¹⁷ = 12372953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12503993 and 12504011.

It is not an unprimeable number, because it can be changed into a prime (12504029) 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, 3394 + ... + 6043.

It is an arithmetic number, because the mean of its divisors is an integer number (1316601).

Almost surely, 2^12504025 is an apocalyptic number.

It is an amenable number.

12504025 is a deficient number, since it is larger than the sum of its proper divisors (3295187).

12504025 is an equidigital number, since it uses as much as digits as its factorization.

12504025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500 (or 9495 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 12504025 is about 3536.1030810767. The cubic root of 12504025 is about 232.1043488675.

Adding to 12504025 its reverse (52040521), we get a palindrome (64544546).

The spelling of 12504025 in words is "twelve million, five hundred four thousand, twenty-five".