12530343 has 16 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 6738816.

The previous prime is 12530339. The next prime is 12530347. The reversal of 12530343 is 34303521.

It is an interprime number because it is at equal distance from previous prime (12530339) and next prime (12530347).

It is not a de Polignac number, because 12530343 - 2² = 12530339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17193 + ... + 17906.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^12530343 is an apocalyptic number.

12530343 is a deficient number, since it is larger than the sum of its proper divisors (7687257).

12530343 is a wasteful number, since it uses less digits than its factorization.

12530343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 12530343 is about 3539.8224531747. The cubic root of 12530343 is about 232.2670762452.

Adding to 12530343 its reverse (34303521), we get a palindrome (46833864).

The spelling of 12530343 in words is "twelve million, five hundred thirty thousand, three hundred forty-three".