13228766 has 8 divisors (see below), whose sum is σ = 19875240. Its totient is φ = 6603688.

The previous prime is 13228759. The next prime is 13228777. The reversal of 13228766 is 66782231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (2484405).

Almost surely, 2^13228766 is an apocalyptic number.

13228766 is a deficient number, since it is larger than the sum of its proper divisors (6646474).

13228766 is a wasteful number, since it uses less digits than its factorization.

13228766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its digits is 24192, while the sum is 35.

The square root of 13228766 is about 3637.1370609313. The cubic root of 13228766 is about 236.5047012789.

The spelling of 13228766 in words is "thirteen million, two hundred twenty-eight thousand, seven hundred sixty-six".