12579847 has 16 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 9976320.

The previous prime is 12579841. The next prime is 12579859. The reversal of 12579847 is 74897521.

It is a cyclic number.

It is not a de Polignac number, because 12579847 - 2¹⁵ = 12547079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12579841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (967572).

Almost surely, 2^12579847 is an apocalyptic number.

12579847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12579847 is a deficient number, since it is larger than the sum of its proper divisors (2901305).

12579847 is a wasteful number, since it uses less digits than its factorization.

12579847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818.

The product of its digits is 141120, while the sum is 43.

The square root of 12579847 is about 3546.8080015699. The cubic root of 12579847 is about 232.5725491404.

The spelling of 12579847 in words is "twelve million, five hundred seventy-nine thousand, eight hundred forty-seven".