12711447 has 12 divisors (see below), whose sum is σ = 20984080. Its totient is φ = 7263648.

The previous prime is 12711443. The next prime is 12711463. The reversal of 12711447 is 74411721.

It is not a de Polignac number, because 12711447 - 2² = 12711443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12711447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100822 + ... + 100947.

Almost surely, 2^12711447 is an apocalyptic number.

12711447 is a deficient number, since it is larger than the sum of its proper divisors (8272633).

12711447 is a wasteful number, since it uses less digits than its factorization.

12711447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201782 (or 201779 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 12711447 is about 3565.3116273336. The cubic root of 12711447 is about 233.3807316409.

The spelling of 12711447 in words is "twelve million, seven hundred eleven thousand, four hundred forty-seven".