12803146 has 8 divisors (see below), whose sum is σ = 19475424. Its totient is φ = 6311340.

The previous prime is 12803137. The next prime is 12803171. The reversal of 12803146 is 64130821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12803146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44940 + ... + 45223.

It is an arithmetic number, because the mean of its divisors is an integer number (2434428).

Almost surely, 2^12803146 is an apocalyptic number.

12803146 is a deficient number, since it is larger than the sum of its proper divisors (6672278).

12803146 is an equidigital number, since it uses as much as digits as its factorization.

12803146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90236.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12803146 is about 3578.1484038536. The cubic root of 12803146 is about 233.9405819867.

Adding to 12803146 its reverse (64130821), we get a palindrome (76933967).

The spelling of 12803146 in words is "twelve million, eight hundred three thousand, one hundred forty-six".