12297729 has 8 divisors (see below), whose sum is σ = 16424032. Its totient is φ = 8184960.

The previous prime is 12297721. The next prime is 12297737. The reversal of 12297729 is 92779221.

12297729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12297721) and next prime (12297737).

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

It is not a de Polignac number, because 12297729 - 2³ = 12297721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12297721) 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, 1027 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (2053004).

Almost surely, 2^12297729 is an apocalyptic number.

It is an amenable number.

12297729 is a deficient number, since it is larger than the sum of its proper divisors (4126303).

12297729 is an equidigital number, since it uses as much as digits as its factorization.

12297729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767.

The product of its digits is 31752, while the sum is 39.

The square root of 12297729 is about 3506.8117999117. The cubic root of 12297729 is about 230.8208164251.

The spelling of 12297729 in words is "twelve million, two hundred ninety-seven thousand, seven hundred twenty-nine".