12871803 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 7096320.

The previous prime is 12871799. The next prime is 12871811. The reversal of 12871803 is 30817821.

It is a happy number.

12871803 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12871803 - 2² = 12871799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12873803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132651 + ... + 132747.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^12871803 is an apocalyptic number.

12871803 is a deficient number, since it is larger than the sum of its proper divisors (7449477).

12871803 is an equidigital number, since it uses as much as digits as its factorization.

12871803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 12871803 is about 3587.7295048540. The cubic root of 12871803 is about 234.3580063057.

The spelling of 12871803 in words is "twelve million, eight hundred seventy-one thousand, eight hundred three".