12630025 has 6 divisors (see below), whose sum is σ = 15661262. Its totient is φ = 10104000.

The previous prime is 12630019. The next prime is 12630029. The reversal of 12630025 is 52003621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 741321 + 11888704 = 861^2 + 3448^2 .

It is not a de Polignac number, because 12630025 - 2¹⁷ = 12498953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12629984 and 12630011.

It is not an unprimeable number, because it can be changed into a prime (12630029) 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, 252576 + ... + 252625.

Almost surely, 2^12630025 is an apocalyptic number.

It is an amenable number.

12630025 is a deficient number, since it is larger than the sum of its proper divisors (3031237).

12630025 is an equidigital number, since it uses as much as digits as its factorization.

12630025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505211 (or 505206 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12630025 is about 3553.8746460729. The cubic root of 12630025 is about 232.8813643258.

Adding to 12630025 its reverse (52003621), we get a palindrome (64633646).

The spelling of 12630025 in words is "twelve million, six hundred thirty thousand, twenty-five".