13246666 has 32 divisors (see below), whose sum is σ = 21909888. Its totient is φ = 5987520.

The previous prime is 13246657. The next prime is 13246669. The reversal of 13246666 is 66664231.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

13246666 is a modest number, since divided by 6666 gives 1324 as remainder.

It is not an unprimeable number, because it can be changed into a prime (13246669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73096 + ... + 73276.

It is an arithmetic number, because the mean of its divisors is an integer number (684684).

Almost surely, 2^13246666 is an apocalyptic number.

13246666 is a deficient number, since it is larger than the sum of its proper divisors (8663222).

13246666 is a wasteful number, since it uses less digits than its factorization.

13246666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its digits is 31104, while the sum is 34.

The square root of 13246666 is about 3639.5969557081. The cubic root of 13246666 is about 236.6113256395.

The spelling of 13246666 in words is "thirteen million, two hundred forty-six thousand, six hundred sixty-six".