12871429 has 2 divisors, whose sum is σ = 12871430. Its totient is φ = 12871428.

The previous prime is 12871423. The next prime is 12871451. The reversal of 12871429 is 92417821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 3323329 = 3090^2 + 1823^2 .

It is an emirp because it is prime and its reverse (92417821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12871429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12871394 and 12871403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12871423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435714 + 6435715.

It is an arithmetic number, because the mean of its divisors is an integer number (6435715).

Almost surely, 2^12871429 is an apocalyptic number.

It is an amenable number.

12871429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871429 is an equidigital number, since it uses as much as digits as its factorization.

12871429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 12871429 is about 3587.6773823743. The cubic root of 12871429 is about 234.3557364671.

The spelling of 12871429 in words is "twelve million, eight hundred seventy-one thousand, four hundred twenty-nine".