12919273 has 2 divisors, whose sum is σ = 12919274. Its totient is φ = 12919272.

The previous prime is 12919271. The next prime is 12919301. The reversal of 12919273 is 37291921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 1065024 = 3443^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12919273 - 2¹ = 12919271 is a prime.

It is a super-2 number, since 2×12919273² = 333815229697058, which contains 22 as substring.

Together with 12919271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12919271) 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, 6459636 + 6459637.

It is an arithmetic number, because the mean of its divisors is an integer number (6459637).

Almost surely, 2^12919273 is an apocalyptic number.

It is an amenable number.

12919273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12919273 is an equidigital number, since it uses as much as digits as its factorization.

12919273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 12919273 is about 3594.3390212945. The cubic root of 12919273 is about 234.6457496404.

The spelling of 12919273 in words is "twelve million, nine hundred nineteen thousand, two hundred seventy-three".