14390217 has 12 divisors (see below), whose sum is σ = 21556080. Its totient is φ = 9593316.

The previous prime is 14390213. The next prime is 14390227. The reversal of 14390217 is 71209341.

It is not a de Polignac number, because 14390217 - 2² = 14390213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14390213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29367 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (1796340).

Almost surely, 2^14390217 is an apocalyptic number.

It is an amenable number.

14390217 is a deficient number, since it is larger than the sum of its proper divisors (7165863).

14390217 is an frugal number, since it uses more digits than its factorization.

14390217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59234 (or 59222 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 14390217 is about 3793.4439497639. The cubic root of 14390217 is about 243.2329727285.

Adding to 14390217 its reverse (71209341), we get a palindrome (85599558).

The spelling of 14390217 in words is "fourteen million, three hundred ninety thousand, two hundred seventeen".