13367891 has 2 divisors, whose sum is σ = 13367892. Its totient is φ = 13367890.

The previous prime is 13367843. The next prime is 13367911. The reversal of 13367891 is 19876331.

13367891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19876331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13367891 - 2¹⁰ = 13366867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13367801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6683945 + 6683946.

It is an arithmetic number, because the mean of its divisors is an integer number (6683946).

Almost surely, 2^13367891 is an apocalyptic number.

13367891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13367891 is an equidigital number, since it uses as much as digits as its factorization.

13367891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 13367891 is about 3656.2126579290. The cubic root of 13367891 is about 237.3309067858.

The spelling of 13367891 in words is "thirteen million, three hundred sixty-seven thousand, eight hundred ninety-one".