12729107 has 8 divisors (see below), whose sum is σ = 14187600. Its totient is φ = 11349504.

The previous prime is 12729091. The next prime is 12729109. The reversal of 12729107 is 70192721.

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 12729107 - 2⁴ = 12729091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12729107.

It is not an unprimeable number, because it can be changed into a prime (12729109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19382 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (1773450).

Almost surely, 2^12729107 is an apocalyptic number.

12729107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12729107 is a deficient number, since it is larger than the sum of its proper divisors (1458493).

12729107 is a wasteful number, since it uses less digits than its factorization.

12729107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39445.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12729107 is about 3567.7874095859. The cubic root of 12729107 is about 233.4887601637.

The spelling of 12729107 in words is "twelve million, seven hundred twenty-nine thousand, one hundred seven".