12805629 has 4 divisors (see below), whose sum is σ = 17074176. Its totient is φ = 8537084.

The previous prime is 12805627. The next prime is 12805673. The reversal of 12805629 is 92650821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12805629 - 2¹ = 12805627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12805629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134269 + ... + 2134274.

It is an arithmetic number, because the mean of its divisors is an integer number (4268544).

Almost surely, 2^12805629 is an apocalyptic number.

It is an amenable number.

12805629 is a deficient number, since it is larger than the sum of its proper divisors (4268547).

12805629 is an equidigital number, since it uses as much as digits as its factorization.

12805629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268546.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 12805629 is about 3578.4953541957. The cubic root of 12805629 is about 233.9557042314.

The spelling of 12805629 in words is "twelve million, eight hundred five thousand, six hundred twenty-nine".