12670043 has 4 divisors (see below), whose sum is σ = 12800760. Its totient is φ = 12539328.

The previous prime is 12670039. The next prime is 12670061. The reversal of 12670043 is 34007621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12670043 - 2² = 12670039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12670003) 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, 65213 + ... + 65406.

It is an arithmetic number, because the mean of its divisors is an integer number (3200190).

Almost surely, 2^12670043 is an apocalyptic number.

12670043 is a deficient number, since it is larger than the sum of its proper divisors (130717).

12670043 is an equidigital number, since it uses as much as digits as its factorization.

12670043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130716.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 12670043 is about 3559.5003862902. The cubic root of 12670043 is about 233.1270651035.

Adding to 12670043 its reverse (34007621), we get a palindrome (46677664).

The spelling of 12670043 in words is "twelve million, six hundred seventy thousand, forty-three".