12803066 has 4 divisors (see below), whose sum is σ = 19204602. Its totient is φ = 6401532.

The previous prime is 12803047. The next prime is 12803071. The reversal of 12803066 is 66030821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66030821 = 251 ⋅263071.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 2337841 = 3235^2 + 1529^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200765 + ... + 3200768.

Almost surely, 2^12803066 is an apocalyptic number.

12803066 is a deficient number, since it is larger than the sum of its proper divisors (6401536).

12803066 is an equidigital number, since it uses as much as digits as its factorization.

12803066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401535.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12803066 is about 3578.1372248699. The cubic root of 12803066 is about 233.9400947293.

Adding to 12803066 its reverse (66030821), we get a palindrome (78833887).

The spelling of 12803066 in words is "twelve million, eight hundred three thousand, sixty-six".