12895919 has 2 divisors, whose sum is σ = 12895920. Its totient is φ = 12895918.

The previous prime is 12895901. The next prime is 12895921. The reversal of 12895919 is 91959821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12895919 - 2²⁰ = 11847343 is a prime.

It is a super-2 number, since 2×12895919² = 332609453709122, which contains 22 as substring.

Together with 12895921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12895919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12895999) 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, 6447959 + 6447960.

It is an arithmetic number, because the mean of its divisors is an integer number (6447960).

Almost surely, 2^12895919 is an apocalyptic number.

12895919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12895919 is an equidigital number, since it uses as much as digits as its factorization.

12895919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 44.

The square root of 12895919 is about 3591.0888320954. The cubic root of 12895919 is about 234.5042756800.

The spelling of 12895919 in words is "twelve million, eight hundred ninety-five thousand, nine hundred nineteen".