12711925 has 6 divisors (see below), whose sum is σ = 15762818. Its totient is φ = 10169520.

The previous prime is 12711913. The next prime is 12711929. The reversal of 12711925 is 52911721.

It can be written as a sum of positive squares in 3 ways, for example, as 194481 + 12517444 = 441^2 + 3538^2 .

It is not a de Polignac number, because 12711925 - 2¹⁵ = 12679157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12711893 and 12711902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711929) 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, 254214 + ... + 254263.

Almost surely, 2^12711925 is an apocalyptic number.

It is an amenable number.

12711925 is a deficient number, since it is larger than the sum of its proper divisors (3050893).

12711925 is an equidigital number, since it uses as much as digits as its factorization.

12711925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508487 (or 508482 counting only the distinct ones).

The product of its digits is 1260, while the sum is 28.

The square root of 12711925 is about 3565.3786615169. The cubic root of 12711925 is about 233.3836569462.

The spelling of 12711925 in words is "twelve million, seven hundred eleven thousand, nine hundred twenty-five".