12771419 has 2 divisors, whose sum is σ = 12771420. Its totient is φ = 12771418.

The previous prime is 12771391. The next prime is 12771431. The reversal of 12771419 is 91417721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12771419 - 2¹⁶ = 12705883 is a prime.

It is a super-2 number, since 2×12771419² = 326218286547122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12771469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385709 + 6385710.

It is an arithmetic number, because the mean of its divisors is an integer number (6385710).

Almost surely, 2^12771419 is an apocalyptic number.

12771419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12771419 is an equidigital number, since it uses as much as digits as its factorization.

12771419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 32.

The square root of 12771419 is about 3573.7122156100. The cubic root of 12771419 is about 233.7471823276.

The spelling of 12771419 in words is "twelve million, seven hundred seventy-one thousand, four hundred nineteen".