12849729 has 8 divisors (see below), whose sum is σ = 17388960. Its totient is φ = 8438496.

The previous prime is 12849721. The next prime is 12849761. The reversal of 12849729 is 92794821.

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

It is not a de Polignac number, because 12849729 - 2³ = 12849721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12849721) 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 in 7 ways as a sum of consecutive naturals, for example, 31764 + ... + 32165.

It is an arithmetic number, because the mean of its divisors is an integer number (2173620).

Almost surely, 2^12849729 is an apocalyptic number.

It is an amenable number.

12849729 is a deficient number, since it is larger than the sum of its proper divisors (4539231).

12849729 is an equidigital number, since it uses as much as digits as its factorization.

12849729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63999.

The product of its digits is 72576, while the sum is 42.

The square root of 12849729 is about 3584.6518659418. The cubic root of 12849729 is about 234.2239619231.

The spelling of 12849729 in words is "twelve million, eight hundred forty-nine thousand, seven hundred twenty-nine".