12847903 has 4 divisors (see below), whose sum is σ = 13603680. Its totient is φ = 12092128.

The previous prime is 12847871. The next prime is 12847921. The reversal of 12847903 is 30974821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30974821 = 2129 ⋅14549.

It is a cyclic number.

It is not a de Polignac number, because 12847903 - 2⁵ = 12847871 is a prime.

It is a super-2 number, since 2×12847903² = 330137222994818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847943) by changing a digit.

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, 377863 + ... + 377896.

It is an arithmetic number, because the mean of its divisors is an integer number (3400920).

Almost surely, 2^12847903 is an apocalyptic number.

12847903 is a deficient number, since it is larger than the sum of its proper divisors (755777).

12847903 is an equidigital number, since it uses as much as digits as its factorization.

12847903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755776.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12847903 is about 3584.3971599141. The cubic root of 12847903 is about 234.2128666641.

The spelling of 12847903 in words is "twelve million, eight hundred forty-seven thousand, nine hundred three".