12896847 has 16 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 8414136.

The previous prime is 12896833. The next prime is 12896857. The reversal of 12896847 is 74869821.

12896847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12896847 - 2¹⁵ = 12864079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3813 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^12896847 is an apocalyptic number.

12896847 is a deficient number, since it is larger than the sum of its proper divisors (6618033).

12896847 is a wasteful number, since it uses less digits than its factorization.

12896847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10219 (or 10213 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 12896847 is about 3591.2180384933. The cubic root of 12896847 is about 234.5099005796.

The spelling of 12896847 in words is "twelve million, eight hundred ninety-six thousand, eight hundred forty-seven".