12538525 has 12 divisors (see below), whose sum is σ = 15615072. Its totient is φ = 9987440.

The previous prime is 12538517. The next prime is 12538541. The reversal of 12538525 is 52583521.

It is not a de Polignac number, because 12538525 - 2³ = 12538517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5622 + ... + 7528.

It is an arithmetic number, because the mean of its divisors is an integer number (1301256).

Almost surely, 2^12538525 is an apocalyptic number.

It is an amenable number.

12538525 is a deficient number, since it is larger than the sum of its proper divisors (3076547).

12538525 is a wasteful number, since it uses less digits than its factorization.

12538525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2175 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 12538525 is about 3540.9779722557. The cubic root of 12538525 is about 232.3176201058.

The spelling of 12538525 in words is "twelve million, five hundred thirty-eight thousand, five hundred twenty-five".