12730929 has 8 divisors (see below), whose sum is σ = 17189760. Its totient is φ = 8379696.

The previous prime is 12730889. The next prime is 12730933. The reversal of 12730929 is 92903721.

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

It is not a de Polignac number, because 12730929 - 2⁸ = 12730673 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12730929.

It is not an unprimeable number, because it can be changed into a prime (12730979) 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, 26622 + ... + 27095.

It is an arithmetic number, because the mean of its divisors is an integer number (2148720).

Almost surely, 2^12730929 is an apocalyptic number.

It is an amenable number.

12730929 is a deficient number, since it is larger than the sum of its proper divisors (4458831).

12730929 is an equidigital number, since it uses as much as digits as its factorization.

12730929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53799.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12730929 is about 3568.0427407754. The cubic root of 12730929 is about 233.4998998879.

The spelling of 12730929 in words is "twelve million, seven hundred thirty thousand, nine hundred twenty-nine".