13128366 has 8 divisors (see below), whose sum is σ = 26256744. Its totient is φ = 4376120.

The previous prime is 13128347. The next prime is 13128413. The reversal of 13128366 is 66382131.

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

13128366 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094025 + ... + 1094036.

It is an arithmetic number, because the mean of its divisors is an integer number (3282093).

Almost surely, 2^13128366 is an apocalyptic number.

13128366 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.

13128366 is a wasteful number, since it uses less digits than its factorization.

13128366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188066.

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

The square root of 13128366 is about 3623.3087089013. The cubic root of 13128366 is about 235.9048620643.

The spelling of 13128366 in words is "thirteen million, one hundred twenty-eight thousand, three hundred sixty-six".