13067491 has 2 divisors, whose sum is σ = 13067492. Its totient is φ = 13067490.

The previous prime is 13067447. The next prime is 13067531. The reversal of 13067491 is 19476031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19476031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13067491 - 2¹¹ = 13065443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13067291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6533745 + 6533746.

It is an arithmetic number, because the mean of its divisors is an integer number (6533746).

Almost surely, 2^13067491 is an apocalyptic number.

13067491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13067491 is an equidigital number, since it uses as much as digits as its factorization.

13067491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13067491 is about 3614.8984771360. The cubic root of 13067491 is about 235.5396741383.

The spelling of 13067491 in words is "thirteen million, sixty-seven thousand, four hundred ninety-one".