14388217 has 2 divisors, whose sum is σ = 14388218. Its totient is φ = 14388216.

The previous prime is 14388193. The next prime is 14388229. The reversal of 14388217 is 71288341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13920361 + 467856 = 3731^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 14388217 - 2¹⁹ = 13863929 is a prime.

It is not a weakly prime, because it can be changed into another prime (14388277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7194108 + 7194109.

It is an arithmetic number, because the mean of its divisors is an integer number (7194109).

Almost surely, 2^14388217 is an apocalyptic number.

It is an amenable number.

14388217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14388217 is an equidigital number, since it uses as much as digits as its factorization.

14388217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 14388217 is about 3793.1803279043. The cubic root of 14388217 is about 243.2217037652.

The spelling of 14388217 in words is "fourteen million, three hundred eighty-eight thousand, two hundred seventeen".