12586047 has 4 divisors (see below), whose sum is σ = 16781400. Its totient is φ = 8390696.

The previous prime is 12586019. The next prime is 12586051. The reversal of 12586047 is 74068521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12586047 - 2⁶ = 12585983 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12585999 and 12586017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12586097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097672 + ... + 2097677.

It is an arithmetic number, because the mean of its divisors is an integer number (4195350).

Almost surely, 2^12586047 is an apocalyptic number.

12586047 is a deficient number, since it is larger than the sum of its proper divisors (4195353).

12586047 is an equidigital number, since it uses as much as digits as its factorization.

12586047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195352.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 12586047 is about 3547.6819192256. The cubic root of 12586047 is about 232.6107507969.

The spelling of 12586047 in words is "twelve million, five hundred eighty-six thousand, forty-seven".