12679725 has 12 divisors (see below), whose sum is σ = 20963936. Its totient is φ = 6762480.

The previous prime is 12679691. The next prime is 12679729. The reversal of 12679725 is 52797621.

12679725 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12679725 - 2¹¹ = 12677677 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 (12679729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84457 + ... + 84606.

Almost surely, 2^12679725 is an apocalyptic number.

12679725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12679725 is a deficient number, since it is larger than the sum of its proper divisors (8284211).

12679725 is a wasteful number, since it uses less digits than its factorization.

12679725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169076 (or 169071 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 12679725 is about 3560.8601488966. The cubic root of 12679725 is about 233.1864324776.

The spelling of 12679725 in words is "twelve million, six hundred seventy-nine thousand, seven hundred twenty-five".