12547027 has 4 divisors (see below), whose sum is σ = 12698280. Its totient is φ = 12395776.

The previous prime is 12547009. The next prime is 12547057. The reversal of 12547027 is 72074521.

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 12547027 - 2¹¹ = 12544979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12546986 and 12547004.

It is not an unprimeable number, because it can be changed into a prime (12547057) 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 3 ways as a sum of consecutive naturals, for example, 75502 + ... + 75667.

It is an arithmetic number, because the mean of its divisors is an integer number (3174570).

Almost surely, 2^12547027 is an apocalyptic number.

12547027 is a deficient number, since it is larger than the sum of its proper divisors (151253).

12547027 is an equidigital number, since it uses as much as digits as its factorization.

12547027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151252.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12547027 is about 3542.1782846153. The cubic root of 12547027 is about 232.3701174593.

It can be divided in two parts, 1254 and 7027, that added together give a square (8281 = 91²).

The spelling of 12547027 in words is "twelve million, five hundred forty-seven thousand, twenty-seven".