12762725 has 12 divisors (see below), whose sum is σ = 16087140. Its totient is φ = 10041600.

The previous prime is 12762721. The next prime is 12762727. The reversal of 12762725 is 52726721.

It can be written as a sum of positive squares in 6 ways, for example, as 1324801 + 11437924 = 1151^2 + 3382^2 .

It is not a de Polignac number, because 12762725 - 2² = 12762721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12762691 and 12762700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12762721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2660 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (1340595).

Almost surely, 2^12762725 is an apocalyptic number.

It is an amenable number.

12762725 is a deficient number, since it is larger than the sum of its proper divisors (3324415).

12762725 is an equidigital number, since it uses as much as digits as its factorization.

12762725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440 (or 8435 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 12762725 is about 3572.4956263094. The cubic root of 12762725 is about 233.6941300314.

The spelling of 12762725 in words is "twelve million, seven hundred sixty-two thousand, seven hundred twenty-five".