13258166 has 16 divisors (see below), whose sum is σ = 20857824. Its totient is φ = 6308544.

The previous prime is 13258163. The next prime is 13258199. The reversal of 13258166 is 66185231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13258163) 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, 10100 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (1303614).

Almost surely, 2^13258166 is an apocalyptic number.

13258166 is a deficient number, since it is larger than the sum of its proper divisors (7599658).

13258166 is a wasteful number, since it uses less digits than its factorization.

13258166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its digits is 8640, while the sum is 32.

The square root of 13258166 is about 3641.1764582343. The cubic root of 13258166 is about 236.6797766548.

The spelling of 13258166 in words is "thirteen million, two hundred fifty-eight thousand, one hundred sixty-six".