12130443 has 24 divisors (see below), whose sum is σ = 19000800. Its totient is φ = 7413120.

The previous prime is 12130441. The next prime is 12130463. The reversal of 12130443 is 34403121.

It is not a de Polignac number, because 12130443 - 2¹ = 12130441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23023 + ... + 23543.

It is an arithmetic number, because the mean of its divisors is an integer number (791700).

Almost surely, 2^12130443 is an apocalyptic number.

12130443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12130443 is a deficient number, since it is larger than the sum of its proper divisors (6870357).

12130443 is a wasteful number, since it uses less digits than its factorization.

12130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12130443 is about 3482.8785508542. The cubic root of 12130443 is about 229.7694160408.

Adding to 12130443 its reverse (34403121), we get a palindrome (46533564).

The spelling of 12130443 in words is "twelve million, one hundred thirty thousand, four hundred forty-three".