13166238 has 16 divisors (see below), whose sum is σ = 26467200. Its totient is φ = 4366296.

The previous prime is 13166233. The next prime is 13166239. The reversal of 13166238 is 83266131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166233) 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 7 ways as a sum of consecutive naturals, for example, 4320 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (1654200).

Almost surely, 2^13166238 is an apocalyptic number.

13166238 is an abundant number, since it is smaller than the sum of its proper divisors (13300962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13166238 is a wasteful number, since it uses less digits than its factorization.

13166238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231.

The product of its digits is 5184, while the sum is 30.

The square root of 13166238 is about 3628.5311077625. The cubic root of 13166238 is about 236.1314861474.

The spelling of 13166238 in words is "thirteen million, one hundred sixty-six thousand, two hundred thirty-eight".