12613025 has 6 divisors (see below), whose sum is σ = 15640182. Its totient is φ = 10090400.

The previous prime is 12613021. The next prime is 12613037. The reversal of 12613025 is 52031621.

It can be written as a sum of positive squares in 3 ways, for example, as 889249 + 11723776 = 943^2 + 3424^2 .

It is not a de Polignac number, because 12613025 - 2² = 12613021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12612988 and 12613006.

It is not an unprimeable number, because it can be changed into a prime (12613021) 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, 252236 + ... + 252285.

It is an arithmetic number, because the mean of its divisors is an integer number (2606697).

Almost surely, 2^12613025 is an apocalyptic number.

It is an amenable number.

12613025 is a deficient number, since it is larger than the sum of its proper divisors (3027157).

12613025 is an equidigital number, since it uses as much as digits as its factorization.

12613025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504531 (or 504526 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12613025 is about 3551.4820849893. The cubic root of 12613025 is about 232.7768313898.

Adding to 12613025 its reverse (52031621), we get a palindrome (64644646).

The spelling of 12613025 in words is "twelve million, six hundred thirteen thousand, twenty-five".