12634043 has 4 divisors (see below), whose sum is σ = 13377240. Its totient is φ = 11890848.

The previous prime is 12634007. The next prime is 12634067. The reversal of 12634043 is 34043621.

It is a happy number.

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 12634043 - 2⁶ = 12633979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371573 + ... + 371606.

It is an arithmetic number, because the mean of its divisors is an integer number (3344310).

Almost surely, 2^12634043 is an apocalyptic number.

12634043 is a deficient number, since it is larger than the sum of its proper divisors (743197).

12634043 is an equidigital number, since it uses as much as digits as its factorization.

12634043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743196.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 12634043 is about 3554.4398996185. The cubic root of 12634043 is about 232.9060572860.

Adding to 12634043 its reverse (34043621), we get a palindrome (46677664).

The spelling of 12634043 in words is "twelve million, six hundred thirty-four thousand, forty-three".