12873666 has 16 divisors (see below), whose sum is σ = 27728064. Its totient is φ = 3961104.

The previous prime is 12873611. The next prime is 12873673. The reversal of 12873666 is 66637821.

12873666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82446 + ... + 82601.

It is an arithmetic number, because the mean of its divisors is an integer number (1733004).

Almost surely, 2^12873666 is an apocalyptic number.

12873666 is an abundant number, since it is smaller than the sum of its proper divisors (14854398).

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

12873666 is a wasteful number, since it uses less digits than its factorization.

12873666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165065.

The product of its digits is 72576, while the sum is 39.

The square root of 12873666 is about 3587.9891304183. The cubic root of 12873666 is about 234.3693123598.

The spelling of 12873666 in words is "twelve million, eight hundred seventy-three thousand, six hundred sixty-six".