12872941 has 2 divisors, whose sum is σ = 12872942. Its totient is φ = 12872940.

The previous prime is 12872933. The next prime is 12872947. The reversal of 12872941 is 14927821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2975625 = 3146^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 12872941 - 2³ = 12872933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12872897 and 12872906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12872947) 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 as a sum of consecutive naturals, namely, 6436470 + 6436471.

It is an arithmetic number, because the mean of its divisors is an integer number (6436471).

Almost surely, 2^12872941 is an apocalyptic number.

It is an amenable number.

12872941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12872941 is an equidigital number, since it uses as much as digits as its factorization.

12872941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 12872941 is about 3587.8880974746. Note that the first 3 decimals coincide. The cubic root of 12872941 is about 234.3649126562.

The spelling of 12872941 in words is "twelve million, eight hundred seventy-two thousand, nine hundred forty-one".