12634129 has 2 divisors, whose sum is σ = 12634130. Its totient is φ = 12634128.

The previous prime is 12634121. The next prime is 12634133. The reversal of 12634129 is 92143621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 5531904 = 2665^2 + 2352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12634129 - 2³ = 12634121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12634097 and 12634106.

It is not a weakly prime, because it can be changed into another prime (12634121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317064 + 6317065.

It is an arithmetic number, because the mean of its divisors is an integer number (6317065).

Almost surely, 2^12634129 is an apocalyptic number.

It is an amenable number.

12634129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634129 is an equidigital number, since it uses as much as digits as its factorization.

12634129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 12634129 is about 3554.4519971439. The cubic root of 12634129 is about 232.9065857490.

The spelling of 12634129 in words is "twelve million, six hundred thirty-four thousand, one hundred twenty-nine".