12803145 has 8 divisors (see below), whose sum is σ = 20485056. Its totient is φ = 6828336.

The previous prime is 12803137. The next prime is 12803171. The reversal of 12803145 is 54130821.

12803145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12803145 - 2³ = 12803137 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 426757 + ... + 426786.

It is an arithmetic number, because the mean of its divisors is an integer number (2560632).

Almost surely, 2^12803145 is an apocalyptic number.

12803145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12803145 is a deficient number, since it is larger than the sum of its proper divisors (7681911).

12803145 is an equidigital number, since it uses as much as digits as its factorization.

12803145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853551.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12803145 is about 3578.1482641165. The cubic root of 12803145 is about 233.9405758960.

Adding to 12803145 its reverse (54130821), we get a palindrome (66933966).

The spelling of 12803145 in words is "twelve million, eight hundred three thousand, one hundred forty-five".