13879091 has 2 divisors, whose sum is σ = 13879092. Its totient is φ = 13879090.

The previous prime is 13879043. The next prime is 13879109. The reversal of 13879091 is 19097831.

13879091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13879109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13879091 - 2⁶ = 13879027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13879001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939545 + 6939546.

It is an arithmetic number, because the mean of its divisors is an integer number (6939546).

Almost surely, 2^13879091 is an apocalyptic number.

13879091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879091 is an equidigital number, since it uses as much as digits as its factorization.

13879091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 13879091 is about 3725.4652058501. The cubic root of 13879091 is about 240.3183910836.

The spelling of 13879091 in words is "thirteen million, eight hundred seventy-nine thousand, ninety-one".