12911841 has 12 divisors (see below), whose sum is σ = 19252480. Its totient is φ = 8330040.

The previous prime is 12911819. The next prime is 12911851. The reversal of 12911841 is 14811921.

It is not a de Polignac number, because 12911841 - 2⁶ = 12911777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12911851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22861 + ... + 23418.

Almost surely, 2^12911841 is an apocalyptic number.

It is an amenable number.

12911841 is a deficient number, since it is larger than the sum of its proper divisors (6340639).

12911841 is a wasteful number, since it uses less digits than its factorization.

12911841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46316 (or 46313 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 12911841 is about 3593.3050246257. The cubic root of 12911841 is about 234.6007465478.

The spelling of 12911841 in words is "twelve million, nine hundred eleven thousand, eight hundred forty-one".