12849911 has 2 divisors, whose sum is σ = 12849912. Its totient is φ = 12849910.

The previous prime is 12849899. The next prime is 12849913. The reversal of 12849911 is 11994821.

12849911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12849911 is a prime.

It is a Sophie Germain prime.

Together with 12849913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12849913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6424955 + 6424956.

It is an arithmetic number, because the mean of its divisors is an integer number (6424956).

Almost surely, 2^12849911 is an apocalyptic number.

12849911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12849911 is an equidigital number, since it uses as much as digits as its factorization.

12849911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 35.

The square root of 12849911 is about 3584.6772518596. The cubic root of 12849911 is about 234.2250677457.

The spelling of 12849911 in words is "twelve million, eight hundred forty-nine thousand, nine hundred eleven".