13386217 has 8 divisors (see below), whose sum is σ = 14498120. Its totient is φ = 12286080.

The previous prime is 13386209. The next prime is 13386227. The reversal of 13386217 is 71268331.

It can be written as a sum of positive squares in 4 ways, for example, as 274576 + 13111641 = 524^2 + 3621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13386217 - 2³ = 13386209 is a prime.

It is a super-3 number, since 3×13386217³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13386227) 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 in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (1812265).

Almost surely, 2^13386217 is an apocalyptic number.

It is an amenable number.

13386217 is a deficient number, since it is larger than the sum of its proper divisors (1111903).

13386217 is a wasteful number, since it uses less digits than its factorization.

13386217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883.

The product of its digits is 6048, while the sum is 31.

The square root of 13386217 is about 3658.7179448545. The cubic root of 13386217 is about 237.4393093309.

The spelling of 13386217 in words is "thirteen million, three hundred eighty-six thousand, two hundred seventeen".