12860971 has 4 divisors (see below), whose sum is σ = 12933000. Its totient is φ = 12788944.

The previous prime is 12860951. The next prime is 12860977. The reversal of 12860971 is 17906821.

It is a happy number.

12860971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17906821 = 593 ⋅30197.

It is a cyclic number.

It is not a de Polignac number, because 12860971 - 2⁷ = 12860843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12860977) 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, 35746 + ... + 36103.

It is an arithmetic number, because the mean of its divisors is an integer number (3233250).

Almost surely, 2^12860971 is an apocalyptic number.

12860971 is a deficient number, since it is larger than the sum of its proper divisors (72029).

12860971 is an equidigital number, since it uses as much as digits as its factorization.

12860971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72028.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12860971 is about 3586.2195972918. The cubic root of 12860971 is about 234.2922481429.

It can be divided in two parts, 12860 and 971, that added together give a palindrome (13831).

The spelling of 12860971 in words is "twelve million, eight hundred sixty thousand, nine hundred seventy-one".