12679525 has 12 divisors (see below), whose sum is σ = 16265700. Its totient is φ = 9793280.

The previous prime is 12679523. The next prime is 12679529. The reversal of 12679525 is 52597621.

12679525 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2982529 + 9696996 = 1727^2 + 3114^2 .

It is not a de Polignac number, because 12679525 - 2¹ = 12679523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679523) 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, 8020 + ... + 9469.

It is an arithmetic number, because the mean of its divisors is an integer number (1355475).

Almost surely, 2^12679525 is an apocalyptic number.

It is an amenable number.

12679525 is a deficient number, since it is larger than the sum of its proper divisors (3586175).

12679525 is a wasteful number, since it uses less digits than its factorization.

12679525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528 (or 17523 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 12679525 is about 3560.8320656835. The cubic root of 12679525 is about 233.1852064381.

The spelling of 12679525 in words is "twelve million, six hundred seventy-nine thousand, five hundred twenty-five".