13678211 has 2 divisors, whose sum is σ = 13678212. Its totient is φ = 13678210.

The previous prime is 13678207. The next prime is 13678219. The reversal of 13678211 is 11287631.

It is a weak prime.

It is an emirp because it is prime and its reverse (11287631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13678211 - 2² = 13678207 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13678219) 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 as a sum of consecutive naturals, namely, 6839105 + 6839106.

It is an arithmetic number, because the mean of its divisors is an integer number (6839106).

Almost surely, 2^13678211 is an apocalyptic number.

13678211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13678211 is an equidigital number, since it uses as much as digits as its factorization.

13678211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 13678211 is about 3698.4065487721. The cubic root of 13678211 is about 239.1533302965.

The spelling of 13678211 in words is "thirteen million, six hundred seventy-eight thousand, two hundred eleven".