12641043 has 4 divisors (see below), whose sum is σ = 16854728. Its totient is φ = 8427360.

The previous prime is 12641021. The next prime is 12641051. The reversal of 12641043 is 34014621.

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

It is not a de Polignac number, because 12641043 - 2⁹ = 12640531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106838 + ... + 2106843.

It is an arithmetic number, because the mean of its divisors is an integer number (4213682).

Almost surely, 2^12641043 is an apocalyptic number.

12641043 is a deficient number, since it is larger than the sum of its proper divisors (4213685).

12641043 is an equidigital number, since it uses as much as digits as its factorization.

12641043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213684.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12641043 is about 3555.4244472355. The cubic root of 12641043 is about 232.9490638778.

Adding to 12641043 its reverse (34014621), we get a palindrome (46655664).

The spelling of 12641043 in words is "twelve million, six hundred forty-one thousand, forty-three".