12837971 has 2 divisors, whose sum is σ = 12837972. Its totient is φ = 12837970.

The previous prime is 12837953. The next prime is 12837973. The reversal of 12837971 is 17973821.

12837971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17973821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12837971 is a prime.

Together with 12837973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12837973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6418985 + 6418986.

It is an arithmetic number, because the mean of its divisors is an integer number (6418986).

Almost surely, 2^12837971 is an apocalyptic number.

12837971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12837971 is an equidigital number, since it uses as much as digits as its factorization.

12837971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 12837971 is about 3583.0114429067. The cubic root of 12837971 is about 234.1524987875.

The spelling of 12837971 in words is "twelve million, eight hundred thirty-seven thousand, nine hundred seventy-one".