13768091 has 2 divisors, whose sum is σ = 13768092. Its totient is φ = 13768090.

The previous prime is 13768081. The next prime is 13768109. The reversal of 13768091 is 19086731.

13768091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13768109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13768091 - 2¹⁰ = 13767067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13768021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884045 + 6884046.

It is an arithmetic number, because the mean of its divisors is an integer number (6884046).

Almost surely, 2^13768091 is an apocalyptic number.

13768091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13768091 is an equidigital number, since it uses as much as digits as its factorization.

13768091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13768091 is about 3710.5378316357. The cubic root of 13768091 is about 239.6760153846.

The spelling of 13768091 in words is "thirteen million, seven hundred sixty-eight thousand, ninety-one".