12858413 has 2 divisors, whose sum is σ = 12858414. Its totient is φ = 12858412.

The previous prime is 12858407. The next prime is 12858427. The reversal of 12858413 is 31485821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 170569 = 3562^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 12858413 - 2¹⁶ = 12792877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12858413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12858493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429206 + 6429207.

It is an arithmetic number, because the mean of its divisors is an integer number (6429207).

Almost surely, 2^12858413 is an apocalyptic number.

It is an amenable number.

12858413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12858413 is an equidigital number, since it uses as much as digits as its factorization.

12858413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 12858413 is about 3585.8629365886. The cubic root of 12858413 is about 234.2767138231.

The spelling of 12858413 in words is "twelve million, eight hundred fifty-eight thousand, four hundred thirteen".