13166441 has 4 divisors (see below), whose sum is σ = 13180500. Its totient is φ = 13152384.

The previous prime is 13166431. The next prime is 13166443. The reversal of 13166441 is 14466131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 7425625 = 2396^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 13166441 - 2¹⁰ = 13165417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13166441.

It is not an unprimeable number, because it can be changed into a prime (13166443) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (3295125).

Almost surely, 2^13166441 is an apocalyptic number.

It is an amenable number.

13166441 is a deficient number, since it is larger than the sum of its proper divisors (14059).

13166441 is a wasteful number, since it uses less digits than its factorization.

13166441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14058.

The product of its digits is 1728, while the sum is 26.

The square root of 13166441 is about 3628.5590804064. The cubic root of 13166441 is about 236.1326997171.

The spelling of 13166441 in words is "thirteen million, one hundred sixty-six thousand, four hundred forty-one".