13365166 has 4 divisors (see below), whose sum is σ = 20047752. Its totient is φ = 6682582.

The previous prime is 13365133. The next prime is 13365167. The reversal of 13365166 is 66156331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66156331 = 8059 ⋅8209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341290 + ... + 3341293.

It is an arithmetic number, because the mean of its divisors is an integer number (5011938).

Almost surely, 2^13365166 is an apocalyptic number.

13365166 is a deficient number, since it is larger than the sum of its proper divisors (6682586).

13365166 is an equidigital number, since it uses as much as digits as its factorization.

13365166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682585.

The product of its digits is 9720, while the sum is 31.

The square root of 13365166 is about 3655.8399855574. The cubic root of 13365166 is about 237.3147793187.

It can be divided in two parts, 13365 and 166, that added together give a palindrome (13531).

The spelling of 13365166 in words is "thirteen million, three hundred sixty-five thousand, one hundred sixty-six".