12860916 has 12 divisors (see below), whose sum is σ = 30008832. Its totient is φ = 4286968.

The previous prime is 12860899. The next prime is 12860917. The reversal of 12860916 is 61906821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12860917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535860 + ... + 535883.

It is an arithmetic number, because the mean of its divisors is an integer number (2500736).

Almost surely, 2^12860916 is an apocalyptic number.

It is an amenable number.

12860916 is an abundant number, since it is smaller than the sum of its proper divisors (17147916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12860916 is a wasteful number, since it uses less digits than its factorization.

12860916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071750 (or 1071748 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12860916 is about 3586.2119290416. The cubic root of 12860916 is about 234.2919141585.

The spelling of 12860916 in words is "twelve million, eight hundred sixty thousand, nine hundred sixteen".