12130347 has 4 divisors (see below), whose sum is σ = 16173800. Its totient is φ = 8086896.

The previous prime is 12130319. The next prime is 12130351. The reversal of 12130347 is 74303121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74303121 = 3 ⋅24767707.

It is not a de Polignac number, because 12130347 - 2¹⁸ = 11868203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130357) 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 3 ways as a sum of consecutive naturals, for example, 2021722 + ... + 2021727.

It is an arithmetic number, because the mean of its divisors is an integer number (4043450).

Almost surely, 2^12130347 is an apocalyptic number.

12130347 is a deficient number, since it is larger than the sum of its proper divisors (4043453).

12130347 is an equidigital number, since it uses as much as digits as its factorization.

12130347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043452.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12130347 is about 3482.8647691233. The cubic root of 12130347 is about 229.7688099095.

Adding to 12130347 its reverse (74303121), we get a palindrome (86433468).

The spelling of 12130347 in words is "twelve million, one hundred thirty thousand, three hundred forty-seven".