12730361 has 8 divisors (see below), whose sum is σ = 15314880. Its totient is φ = 10337328.

The previous prime is 12730349. The next prime is 12730363. The reversal of 12730361 is 16303721.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12730361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12730363) 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, 47726 + ... + 47991.

It is an arithmetic number, because the mean of its divisors is an integer number (1914360).

Almost surely, 2^12730361 is an apocalyptic number.

It is an amenable number.

12730361 is a deficient number, since it is larger than the sum of its proper divisors (2584519).

12730361 is an equidigital number, since it uses as much as digits as its factorization.

12730361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95743.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12730361 is about 3567.9631444285. The cubic root of 12730361 is about 233.4964272449.

The spelling of 12730361 in words is "twelve million, seven hundred thirty thousand, three hundred sixty-one".