12671925 has 24 divisors (see below), whose sum is σ = 23944896. Its totient is φ = 5792640.

The previous prime is 12671921. The next prime is 12671951. The reversal of 12671925 is 52917621.

It is not a de Polignac number, because 12671925 - 2² = 12671921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671921) 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 23 ways as a sum of consecutive naturals, for example, 11544 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (997704).

Almost surely, 2^12671925 is an apocalyptic number.

12671925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12671925 is a deficient number, since it is larger than the sum of its proper divisors (11272971).

12671925 is a wasteful number, since it uses less digits than its factorization.

12671925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24157 (or 24152 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 12671925 is about 3559.7647394175. The cubic root of 12671925 is about 233.1386073799.

The spelling of 12671925 in words is "twelve million, six hundred seventy-one thousand, nine hundred twenty-five".