12783266 has 8 divisors (see below), whose sum is σ = 19445184. Its totient is φ = 6301540.

The previous prime is 12783223. The next prime is 12783283. The reversal of 12783266 is 66238721.

It is a happy number.

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

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, 44870 + ... + 45153.

It is an arithmetic number, because the mean of its divisors is an integer number (2430648).

Almost surely, 2^12783266 is an apocalyptic number.

12783266 is a deficient number, since it is larger than the sum of its proper divisors (6661918).

12783266 is an equidigital number, since it uses as much as digits as its factorization.

12783266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90096.

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

The square root of 12783266 is about 3575.3693515496. The cubic root of 12783266 is about 233.8194360334.

The spelling of 12783266 in words is "twelve million, seven hundred eighty-three thousand, two hundred sixty-six".