12717730 has 16 divisors (see below), whose sum is σ = 23379840. Its totient is φ = 4978672.

The previous prime is 12717709. The next prime is 12717763. The reversal of 12717730 is 3771721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13060 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (1461240).

Almost surely, 2^12717730 is an apocalyptic number.

12717730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12717730 is a deficient number, since it is larger than the sum of its proper divisors (10662110).

12717730 is a wasteful number, since it uses less digits than its factorization.

12717730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 12717730 is about 3566.1926476286. The cubic root of 12717730 is about 233.4191770309.

The spelling of 12717730 in words is "twelve million, seven hundred seventeen thousand, seven hundred thirty".