13066311 has 4 divisors (see below), whose sum is σ = 17421752. Its totient is φ = 8710872.

The previous prime is 13066309. The next prime is 13066321. The reversal of 13066311 is 11366031.

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

It is not a de Polignac number, because 13066311 - 2¹ = 13066309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066321) 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, 2177716 + ... + 2177721.

It is an arithmetic number, because the mean of its divisors is an integer number (4355438).

Almost surely, 2^13066311 is an apocalyptic number.

13066311 is a deficient number, since it is larger than the sum of its proper divisors (4355441).

13066311 is an equidigital number, since it uses as much as digits as its factorization.

13066311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355440.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13066311 is about 3614.7352600156. The cubic root of 13066311 is about 235.5325841472.

The spelling of 13066311 in words is "thirteen million, sixty-six thousand, three hundred eleven".