12849919 has 2 divisors, whose sum is σ = 12849920. Its totient is φ = 12849918.

The previous prime is 12849913. The next prime is 12849923. The reversal of 12849919 is 91994821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91994821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12849919 - 2³ = 12849911 is a prime.

It is a super-2 number, since 2×12849919² = 330240836613122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12849911) 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, 6424959 + 6424960.

It is an arithmetic number, because the mean of its divisors is an integer number (6424960).

Almost surely, 2^12849919 is an apocalyptic number.

12849919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12849919 is an equidigital number, since it uses as much as digits as its factorization.

12849919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 12849919 is about 3584.6783677200. The cubic root of 12849919 is about 234.2251163530.

The spelling of 12849919 in words is "twelve million, eight hundred forty-nine thousand, nine hundred nineteen".