13340111 has 2 divisors, whose sum is σ = 13340112. Its totient is φ = 13340110.

The previous prime is 13340027. The next prime is 13340113. The reversal of 13340111 is 11104331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13340111 is a prime.

It is a super-2 number, since 2×13340111² = 355917122984642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 13340113, 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 (13340113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670055 + 6670056.

It is an arithmetic number, because the mean of its divisors is an integer number (6670056).

Almost surely, 2^13340111 is an apocalyptic number.

13340111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340111 is an equidigital number, since it uses as much as digits as its factorization.

13340111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13340111 is about 3652.4116690209. The cubic root of 13340111 is about 237.1663925552.

Adding to 13340111 its reverse (11104331), we get a palindrome (24444442).

The spelling of 13340111 in words is "thirteen million, three hundred forty thousand, one hundred eleven".