12730343 has 8 divisors (see below), whose sum is σ = 12934416. Its totient is φ = 12528000.

The previous prime is 12730327. The next prime is 12730349. The reversal of 12730343 is 34303721.

12730343 = T₁₉₇ + T₁₉₈ + ... + T₄₃₇.

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 not a de Polignac number, because 12730343 - 2⁴ = 12730327 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 (12730349) 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, 24080 + ... + 24602.

It is an arithmetic number, because the mean of its divisors is an integer number (1616802).

Almost surely, 2^12730343 is an apocalyptic number.

12730343 is a deficient number, since it is larger than the sum of its proper divisors (204073).

12730343 is a wasteful number, since it uses less digits than its factorization.

12730343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 12730343 is about 3567.9606219800. The cubic root of 12730343 is about 233.4963171947.

The spelling of 12730343 in words is "twelve million, seven hundred thirty thousand, three hundred forty-three".