12922417 has 2 divisors, whose sum is σ = 12922418. Its totient is φ = 12922416.

The previous prime is 12922411. The next prime is 12922433. The reversal of 12922417 is 71422921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 1893376 = 3321^2 + 1376^2 .

It is an emirp because it is prime and its reverse (71422921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12922417 - 2³ = 12922409 is a prime.

It is a super-2 number, since 2×12922417² = 333977722243778, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₄₄₅₃₄ and since 12922417 and 844534 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12922411) 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, 6461208 + 6461209.

It is an arithmetic number, because the mean of its divisors is an integer number (6461209).

Almost surely, 2^12922417 is an apocalyptic number.

It is an amenable number.

12922417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12922417 is an equidigital number, since it uses as much as digits as its factorization.

12922417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 12922417 is about 3594.7763490932. The cubic root of 12922417 is about 234.6647823522.

The spelling of 12922417 in words is "twelve million, nine hundred twenty-two thousand, four hundred seventeen".