12872413 has 2 divisors, whose sum is σ = 12872414. Its totient is φ = 12872412.

The previous prime is 12872393. The next prime is 12872423. The reversal of 12872413 is 31427821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7198489 + 5673924 = 2683^2 + 2382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12872413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12872423) 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, 6436206 + 6436207.

It is an arithmetic number, because the mean of its divisors is an integer number (6436207).

Almost surely, 2^12872413 is an apocalyptic number.

It is an amenable number.

12872413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12872413 is an equidigital number, since it uses as much as digits as its factorization.

12872413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 12872413 is about 3587.8145158299. The cubic root of 12872413 is about 234.3617083544.

The spelling of 12872413 in words is "twelve million, eight hundred seventy-two thousand, four hundred thirteen".