12766925 has 6 divisors (see below), whose sum is σ = 15831018. Its totient is φ = 10213520.

The previous prime is 12766921. The next prime is 12766927. The reversal of 12766925 is 52966721.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14884 + 12752041 = 122^2 + 3571^2 .

It is not a de Polignac number, because 12766925 - 2² = 12766921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766921) 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 5 ways as a sum of consecutive naturals, for example, 255314 + ... + 255363.

It is an arithmetic number, because the mean of its divisors is an integer number (2638503).

Almost surely, 2^12766925 is an apocalyptic number.

It is an amenable number.

12766925 is a deficient number, since it is larger than the sum of its proper divisors (3064093).

12766925 is an equidigital number, since it uses as much as digits as its factorization.

12766925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510687 (or 510682 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 12766925 is about 3573.0834023291. The cubic root of 12766925 is about 233.7197621671.

The spelling of 12766925 in words is "twelve million, seven hundred sixty-six thousand, nine hundred twenty-five".