12214417 has 2 divisors, whose sum is σ = 12214418. Its totient is φ = 12214416.

The previous prime is 12214409. The next prime is 12214441. The reversal of 12214417 is 71441221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 408321 = 3436^2 + 639^2 .

It is an emirp because it is prime and its reverse (71441221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12214417 - 2³ = 12214409 is a prime.

It is equal to p₈₀₁₁₈₄ and since 12214417 and 801184 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 (12214717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107208 + 6107209.

It is an arithmetic number, because the mean of its divisors is an integer number (6107209).

Almost surely, 2^12214417 is an apocalyptic number.

It is an amenable number.

12214417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214417 is an equidigital number, since it uses as much as digits as its factorization.

12214417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 22.

The square root of 12214417 is about 3494.9130175156. The cubic root of 12214417 is about 230.2983965689.

Adding to 12214417 its reverse (71441221), we get a palindrome (83655638).

The spelling of 12214417 in words is "twelve million, two hundred fourteen thousand, four hundred seventeen".