12771047 has 2 divisors, whose sum is σ = 12771048. Its totient is φ = 12771046.

The previous prime is 12771041. The next prime is 12771053. The reversal of 12771047 is 74017721.

It is a balanced prime because it is at equal distance from previous prime (12771041) and next prime (12771053).

It is an emirp because it is prime and its reverse (74017721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12771047 - 2¹⁴ = 12754663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12771041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385523 + 6385524.

It is an arithmetic number, because the mean of its divisors is an integer number (6385524).

Almost surely, 2^12771047 is an apocalyptic number.

12771047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12771047 is an equidigital number, since it uses as much as digits as its factorization.

12771047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 12771047 is about 3573.6601685107. The cubic root of 12771047 is about 233.7449128122.

Adding to 12771047 its reverse (74017721), we get a palindrome (86788768).

The spelling of 12771047 in words is "twelve million, seven hundred seventy-one thousand, forty-seven".