13908911 has 2 divisors, whose sum is σ = 13908912. Its totient is φ = 13908910.

The previous prime is 13908901. The next prime is 13908919. The reversal of 13908911 is 11980931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13908911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13908919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6954455 + 6954456.

It is an arithmetic number, because the mean of its divisors is an integer number (6954456).

Almost surely, 2^13908911 is an apocalyptic number.

13908911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13908911 is an equidigital number, since it uses as much as digits as its factorization.

13908911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 13908911 is about 3729.4652431682. The cubic root of 13908911 is about 240.4903804487.

It can be divided in two parts, 1390 and 8911, that added together give a palindrome (10301).

The spelling of 13908911 in words is "thirteen million, nine hundred eight thousand, nine hundred eleven".