13940011 has 2 divisors, whose sum is σ = 13940012. Its totient is φ = 13940010.

The previous prime is 13939997. The next prime is 13940021. The reversal of 13940011 is 11004931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13940011 - 2⁵ = 13939979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13940021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6970005 + 6970006.

It is an arithmetic number, because the mean of its divisors is an integer number (6970006).

Almost surely, 2^13940011 is an apocalyptic number.

13940011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13940011 is an equidigital number, since it uses as much as digits as its factorization.

13940011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13940011 is about 3733.6324136155. The cubic root of 13940011 is about 240.6694906433.

Adding to 13940011 its reverse (11004931), we get a palindrome (24944942).

The spelling of 13940011 in words is "thirteen million, nine hundred forty thousand, eleven".