12005629 has 2 divisors, whose sum is σ = 12005630. Its totient is φ = 12005628.

The previous prime is 12005627. The next prime is 12005641. The reversal of 12005629 is 92650021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 1214404 = 3285^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 12005629 - 2¹ = 12005627 is a prime.

Together with 12005627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12005627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002814 + 6002815.

It is an arithmetic number, because the mean of its divisors is an integer number (6002815).

Almost surely, 2^12005629 is an apocalyptic number.

It is an amenable number.

12005629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005629 is an equidigital number, since it uses as much as digits as its factorization.

12005629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12005629 is about 3464.9139960467. The cubic root of 12005629 is about 228.9786406729.

The spelling of 12005629 in words is "twelve million, five thousand, six hundred twenty-nine".