13089911 has 2 divisors, whose sum is σ = 13089912. Its totient is φ = 13089910.

The previous prime is 13089893. The next prime is 13089941. The reversal of 13089911 is 11998031.

It is a weak prime.

It is an emirp because it is prime and its reverse (11998031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13089911 is a prime.

It is a Sophie Germain 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 (13089941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544955 + 6544956.

It is an arithmetic number, because the mean of its divisors is an integer number (6544956).

Almost surely, 2^13089911 is an apocalyptic number.

13089911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13089911 is an equidigital number, since it uses as much as digits as its factorization.

13089911 is an evil number, because the sum of its binary digits is even.

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

The square root of 13089911 is about 3617.9982034269. The cubic root of 13089911 is about 235.6743029477.

The spelling of 13089911 in words is "thirteen million, eighty-nine thousand, nine hundred eleven".