13066771 has 4 divisors (see below), whose sum is σ = 13083472. Its totient is φ = 13050072.

The previous prime is 13066763. The next prime is 13066787. The reversal of 13066771 is 17766031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13066771 - 2³ = 13066763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13066721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7116 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (3270868).

Almost surely, 2^13066771 is an apocalyptic number.

13066771 is a deficient number, since it is larger than the sum of its proper divisors (16701).

13066771 is an equidigital number, since it uses as much as digits as its factorization.

13066771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13066771 is about 3614.7988879051. The cubic root of 13066771 is about 235.5353480928.

The spelling of 13066771 in words is "thirteen million, sixty-six thousand, seven hundred seventy-one".