12600025 has 6 divisors (see below), whose sum is σ = 15624062. Its totient is φ = 10080000.

The previous prime is 12600023. The next prime is 12600037. The reversal of 12600025 is 52000621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 12595401 = 68^2 + 3549^2 .

It is not a de Polignac number, because 12600025 - 2¹ = 12600023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12599981 and 12600008.

It is not an unprimeable number, because it can be changed into a prime (12600023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251976 + ... + 252025.

Almost surely, 2^12600025 is an apocalyptic number.

It is an amenable number.

12600025 is a deficient number, since it is larger than the sum of its proper divisors (3024037).

12600025 is an equidigital number, since it uses as much as digits as its factorization.

12600025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504011 (or 504006 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12600025 is about 3549.6513913341. The cubic root of 12600025 is about 232.6968310449.

Adding to 12600025 its reverse (52000621), we get a palindrome (64600646).

It can be divided in two parts, 126000 and 25, that added together give a square (126025 = 355²).

The spelling of 12600025 in words is "twelve million, six hundred thousand, twenty-five".