12922819 has 12 divisors (see below), whose sum is σ = 16189824. Its totient is φ = 10224144.

The previous prime is 12922817. The next prime is 12922823. The reversal of 12922819 is 91822921.

It is not a de Polignac number, because 12922819 - 2¹ = 12922817 is a prime.

It is a super-2 number, since 2×12922819² = 333998501813522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12922813) 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 in 11 ways as a sum of consecutive naturals, for example, 9507 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (1349152).

Almost surely, 2^12922819 is an apocalyptic number.

12922819 is a deficient number, since it is larger than the sum of its proper divisors (3267005).

12922819 is a wasteful number, since it uses less digits than its factorization.

12922819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314 (or 20307 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 12922819 is about 3594.8322631244. The cubic root of 12922819 is about 234.6672157016.

The spelling of 12922819 in words is "twelve million, nine hundred twenty-two thousand, eight hundred nineteen".