12790729 has 12 divisors (see below), whose sum is σ = 14996992. Its totient is φ = 10686240.

The previous prime is 12790703. The next prime is 12790733. The reversal of 12790729 is 92709721.

12790729 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12790729 - 2⁷ = 12790601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11224 + ... + 12310.

Almost surely, 2^12790729 is an apocalyptic number.

It is an amenable number.

12790729 is a deficient number, since it is larger than the sum of its proper divisors (2206263).

12790729 is an equidigital number, since it uses as much as digits as its factorization.

12790729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 12790729 is about 3576.4128676650. The cubic root of 12790729 is about 233.8649292321.

The spelling of 12790729 in words is "twelve million, seven hundred ninety thousand, seven hundred twenty-nine".