12803191 has 4 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 12775984.

The previous prime is 12803179. The next prime is 12803213. The reversal of 12803191 is 19130821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12803191 - 2¹⁵ = 12770423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12886 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^12803191 is an apocalyptic number.

12803191 is a deficient number, since it is larger than the sum of its proper divisors (27209).

12803191 is an equidigital number, since it uses as much as digits as its factorization.

12803191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27208.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 12803191 is about 3578.1546920165. The cubic root of 12803191 is about 233.9408560682.

The spelling of 12803191 in words is "twelve million, eight hundred three thousand, one hundred ninety-one".