12572521 has 8 divisors (see below), whose sum is σ = 13576640. Its totient is φ = 11573712.

The previous prime is 12572479. The next prime is 12572531. The reversal of 12572521 is 12527521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12572521 - 2¹⁹ = 12048233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12572531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (1697080).

Almost surely, 2^12572521 is an apocalyptic number.

It is an amenable number.

12572521 is a deficient number, since it is larger than the sum of its proper divisors (1004119).

12572521 is a wasteful number, since it uses less digits than its factorization.

12572521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its digits is 1400, while the sum is 25.

The square root of 12572521 is about 3545.7750915702. The cubic root of 12572521 is about 232.5273933885.

The spelling of 12572521 in words is "twelve million, five hundred seventy-two thousand, five hundred twenty-one".