12429127 has 2 divisors, whose sum is σ = 12429128. Its totient is φ = 12429126.

The previous prime is 12429121. The next prime is 12429143. The reversal of 12429127 is 72192421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12429127 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12429095 and 12429104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12429121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214563 + 6214564.

It is an arithmetic number, because the mean of its divisors is an integer number (6214564).

Almost surely, 2^12429127 is an apocalyptic number.

12429127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12429127 is an equidigital number, since it uses as much as digits as its factorization.

12429127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 12429127 is about 3525.4967025938. The cubic root of 12429127 is about 231.6399923282.

The spelling of 12429127 in words is "twelve million, four hundred twenty-nine thousand, one hundred twenty-seven".