12670925 has 6 divisors (see below), whose sum is σ = 15711978. Its totient is φ = 10136720.

The previous prime is 12670919. The next prime is 12670951. The reversal of 12670925 is 52907621.

It can be written as a sum of positive squares in 3 ways, for example, as 1394761 + 11276164 = 1181^2 + 3358^2 .

It is not a de Polignac number, because 12670925 - 2²⁰ = 11622349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12670891 and 12670900.

It is a congruent number.

It is an unprimeable number.

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, 253394 + ... + 253443.

It is an arithmetic number, because the mean of its divisors is an integer number (2618663).

Almost surely, 2^12670925 is an apocalyptic number.

It is an amenable number.

12670925 is a deficient number, since it is larger than the sum of its proper divisors (3041053).

12670925 is an equidigital number, since it uses as much as digits as its factorization.

12670925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506847 (or 506842 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12670925 is about 3559.6242779260. The cubic root of 12670925 is about 233.1324745380.

The spelling of 12670925 in words is "twelve million, six hundred seventy thousand, nine hundred twenty-five".