12730323 has 8 divisors (see below), whose sum is σ = 17867200. Its totient is φ = 8040168.

The previous prime is 12730321. The next prime is 12730327. The reversal of 12730323 is 32303721.

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

It is not a de Polignac number, because 12730323 - 2¹ = 12730321 is a prime.

It is a super-3 number, since 3×12730323³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12730323.

It is not an unprimeable number, because it can be changed into a prime (12730321) 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, 111613 + ... + 111726.

It is an arithmetic number, because the mean of its divisors is an integer number (2233400).

Almost surely, 2^12730323 is an apocalyptic number.

12730323 is a deficient number, since it is larger than the sum of its proper divisors (5136877).

12730323 is a wasteful number, since it uses less digits than its factorization.

12730323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223361.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 12730323 is about 3567.9578192574. The cubic root of 12730323 is about 233.4961949165.

The spelling of 12730323 in words is "twelve million, seven hundred thirty thousand, three hundred twenty-three".