12812419 has 2 divisors, whose sum is σ = 12812420. Its totient is φ = 12812418.

The previous prime is 12812417. The next prime is 12812473. The reversal of 12812419 is 91421821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12812419 - 2¹ = 12812417 is a prime.

It is a super-3 number, since 3×12812419³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 12812417, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12812411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406209 + 6406210.

It is an arithmetic number, because the mean of its divisors is an integer number (6406210).

Almost surely, 2^12812419 is an apocalyptic number.

12812419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12812419 is an equidigital number, since it uses as much as digits as its factorization.

12812419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 12812419 is about 3579.4439512304. The cubic root of 12812419 is about 233.9970474705.

It can be divided in two parts, 12812 and 419, that added together give a palindrome (13231).

The spelling of 12812419 in words is "twelve million, eight hundred twelve thousand, four hundred nineteen".