12579541 has 8 divisors (see below), whose sum is σ = 14344344. Its totient is φ = 10928640.

The previous prime is 12579517. The next prime is 12579557. The reversal of 12579541 is 14597521.

It can be written as a sum of positive squares in 4 ways, for example, as 3900625 + 8678916 = 1975^2 + 2946^2 .

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 12579541 - 2⁵ = 12579509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12579497 and 12579506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12579341) 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, 28240 + ... + 28681.

It is an arithmetic number, because the mean of its divisors is an integer number (1793043).

Almost surely, 2^12579541 is an apocalyptic number.

It is an amenable number.

12579541 is a deficient number, since it is larger than the sum of its proper divisors (1764803).

12579541 is a wasteful number, since it uses less digits than its factorization.

12579541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56951.

The product of its digits is 12600, while the sum is 34.

The square root of 12579541 is about 3546.7648639288. The cubic root of 12579541 is about 232.5706633788.

The spelling of 12579541 in words is "twelve million, five hundred seventy-nine thousand, five hundred forty-one".