12973111 has 2 divisors, whose sum is σ = 12973112. Its totient is φ = 12973110.

The previous prime is 12973109. The next prime is 12973117. The reversal of 12973111 is 11137921.

It is a weak prime.

It is an emirp because it is prime and its reverse (11137921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12973111 - 2¹ = 12973109 is a prime.

Together with 12973109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12973117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486555 + 6486556.

It is an arithmetic number, because the mean of its divisors is an integer number (6486556).

Almost surely, 2^12973111 is an apocalyptic number.

12973111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12973111 is an equidigital number, since it uses as much as digits as its factorization.

12973111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 25.

The square root of 12973111 is about 3601.8205119078. The cubic root of 12973111 is about 234.9712413879.

The spelling of 12973111 in words is "twelve million, nine hundred seventy-three thousand, one hundred eleven".