12736025 has 6 divisors (see below), whose sum is σ = 15792702. Its totient is φ = 10188800.

The previous prime is 12736019. The next prime is 12736027. The reversal of 12736025 is 52063721.

It can be written as a sum of positive squares in 3 ways, for example, as 1338649 + 11397376 = 1157^2 + 3376^2 .

It is not a de Polignac number, because 12736025 - 2²² = 8541721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12735985 and 12736003.

It is not an unprimeable number, because it can be changed into a prime (12736027) 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, 254696 + ... + 254745.

It is an arithmetic number, because the mean of its divisors is an integer number (2632117).

Almost surely, 2^12736025 is an apocalyptic number.

It is an amenable number.

12736025 is a deficient number, since it is larger than the sum of its proper divisors (3056677).

12736025 is an equidigital number, since it uses as much as digits as its factorization.

12736025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509451 (or 509446 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 12736025 is about 3568.7567863333. The cubic root of 12736025 is about 233.5310512348.

Adding to 12736025 its reverse (52063721), we get a palindrome (64799746).

The spelling of 12736025 in words is "twelve million, seven hundred thirty-six thousand, twenty-five".