12584947 has 8 divisors (see below), whose sum is σ = 13358736. Its totient is φ = 11814912.

The previous prime is 12584911. The next prime is 12584983. The reversal of 12584947 is 74948521.

12584947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12584911) and next prime (12584983).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12584947 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12594947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9168 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (1669842).

Almost surely, 2^12584947 is an apocalyptic number.

12584947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12584947 is a deficient number, since it is larger than the sum of its proper divisors (773789).

12584947 is a wasteful number, since it uses less digits than its factorization.

12584947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its digits is 80640, while the sum is 40.

The square root of 12584947 is about 3547.5268850285. The cubic root of 12584947 is about 232.6039739992.

It can be divided in two parts, 12584 and 947, that added together give a palindrome (13531).

The spelling of 12584947 in words is "twelve million, five hundred eighty-four thousand, nine hundred forty-seven".