13166047 has 2 divisors, whose sum is σ = 13166048. Its totient is φ = 13166046.

The previous prime is 13166011. The next prime is 13166053. The reversal of 13166047 is 74066131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13166047 - 2¹⁵ = 13133279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13166147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6583023 + 6583024.

It is an arithmetic number, because the mean of its divisors is an integer number (6583024).

Almost surely, 2^13166047 is an apocalyptic number.

13166047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13166047 is an equidigital number, since it uses as much as digits as its factorization.

13166047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13166047 is about 3628.5047884769. The cubic root of 13166047 is about 236.1303443043.

The spelling of 13166047 in words is "thirteen million, one hundred sixty-six thousand, forty-seven".