13304217 has 16 divisors (see below), whose sum is σ = 18861120. Its totient is φ = 8312832.

The previous prime is 13304197. The next prime is 13304231. The reversal of 13304217 is 71240331.

It is not a de Polignac number, because 13304217 - 2¹⁰ = 13303193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13304193 and 13304202.

It is not an unprimeable number, because it can be changed into a prime (13304267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17634 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (1178820).

Almost surely, 2^13304217 is an apocalyptic number.

13304217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13304217 is a deficient number, since it is larger than the sum of its proper divisors (5556903).

13304217 is a wasteful number, since it uses less digits than its factorization.

13304217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13304217 is about 3647.4946195985. The cubic root of 13304217 is about 236.9534883534.

Adding to 13304217 its reverse (71240331), we get a palindrome (84544548).

The spelling of 13304217 in words is "thirteen million, three hundred four thousand, two hundred seventeen".