12108641 has 8 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 11364928.

The previous prime is 12108637. The next prime is 12108647. The reversal of 12108641 is 14680121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12108641 - 2² = 12108637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12108647) 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 7 ways as a sum of consecutive naturals, for example, 7400 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^12108641 is an apocalyptic number.

It is an amenable number.

12108641 is a deficient number, since it is larger than the sum of its proper divisors (747679).

12108641 is a wasteful number, since it uses less digits than its factorization.

12108641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12108641 is about 3479.7472609372. The cubic root of 12108641 is about 229.6316789179.

Adding to 12108641 its reverse (14680121), we get a palindrome (26788762).

The spelling of 12108641 in words is "twelve million, one hundred eight thousand, six hundred forty-one".