12729629 has 8 divisors (see below), whose sum is σ = 13989888. Its totient is φ = 11486560.

The previous prime is 12729611. The next prime is 12729641. The reversal of 12729629 is 92692721.

12729629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12729629 - 2²⁰ = 11681053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12729592 and 12729601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2717 + ... + 5730.

It is an arithmetic number, because the mean of its divisors is an integer number (1748736).

Almost surely, 2^12729629 is an apocalyptic number.

It is an amenable number.

12729629 is a deficient number, since it is larger than the sum of its proper divisors (1260259).

12729629 is a wasteful number, since it uses less digits than its factorization.

12729629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595.

The product of its digits is 27216, while the sum is 38.

The square root of 12729629 is about 3567.8605634189. The cubic root of 12729629 is about 233.4919517850.

It can be divided in two parts, 1272 and 9629, that added together give a palindrome (10901).

The spelling of 12729629 in words is "twelve million, seven hundred twenty-nine thousand, six hundred twenty-nine".