13391166 has 8 divisors (see below), whose sum is σ = 26782344. Its totient is φ = 4463720.

The previous prime is 13391153. The next prime is 13391179. The reversal of 13391166 is 66119331.

It is an interprime number because it is at equal distance from previous prime (13391153) and next prime (13391179).

It is a sphenic number, since it is the product of 3 distinct primes.

13391166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1115925 + ... + 1115936.

It is an arithmetic number, because the mean of its divisors is an integer number (3347793).

Almost surely, 2^13391166 is an apocalyptic number.

13391166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13391166 is a wasteful number, since it uses less digits than its factorization.

13391166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231866.

The product of its digits is 2916, while the sum is 30.

The square root of 13391166 is about 3659.3942121614. The cubic root of 13391166 is about 237.4685668465.

The spelling of 13391166 in words is "thirteen million, three hundred ninety-one thousand, one hundred sixty-six".