12747047 has 2 divisors, whose sum is σ = 12747048.
Its totient is φ = 12747046.
The previous prime is 12747029. The next prime is 12747121. The reversal of 12747047 is 74074721.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12747047 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12747247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373523 + 6373524.
It is an arithmetic number, because the mean of its divisors is an integer number (6373524).
Almost surely, 212747047 is an apocalyptic number.
12747047 is a deficient number, since it is larger than the sum of its proper divisors (1).
12747047 is an equidigital number, since it uses as much as digits as its factorization.
12747047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10976, while the sum is 32.
The square root of 12747047 is about 3570.3006876172.
The cubic root of 12747047 is about 233.5983992255.
It can be divided in two parts, 127 and 47047, that added together give a palindrome (47174).
The spelling of 12747047 in words is "twelve million, seven hundred forty-seven thousand, forty-seven".