13267391 has 2 divisors, whose sum is σ = 13267392. Its totient is φ = 13267390.

The previous prime is 13267381. The next prime is 13267393. The reversal of 13267391 is 19376231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13267391 is a prime.

Together with 13267393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13267393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6633695 + 6633696.

It is an arithmetic number, because the mean of its divisors is an integer number (6633696).

Almost surely, 2^13267391 is an apocalyptic number.

13267391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13267391 is an equidigital number, since it uses as much as digits as its factorization.

13267391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 13267391 is about 3642.4429988677. The cubic root of 13267391 is about 236.7346576678.

The spelling of 13267391 in words is "thirteen million, two hundred sixty-seven thousand, three hundred ninety-one".