12734429 has 2 divisors, whose sum is σ = 12734430. Its totient is φ = 12734428.

The previous prime is 12734419. The next prime is 12734431. The reversal of 12734429 is 92443721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 273529 = 3530^2 + 523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12734429 is a prime.

Together with 12734431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12734395 and 12734404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12734419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367214 + 6367215.

It is an arithmetic number, because the mean of its divisors is an integer number (6367215).

Almost surely, 2^12734429 is an apocalyptic number.

It is an amenable number.

12734429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12734429 is an equidigital number, since it uses as much as digits as its factorization.

12734429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 12734429 is about 3568.5331720470. The cubic root of 12734429 is about 233.5212959376.

The spelling of 12734429 in words is "twelve million, seven hundred thirty-four thousand, four hundred twenty-nine".