13662117 has 12 divisors (see below), whose sum is σ = 22553440. Its totient is φ = 7806888.

The previous prime is 13662107. The next prime is 13662149. The reversal of 13662117 is 71126631.

13662117 is a `hidden beast` number, since 1 + 36 + 621 + 1 + 7 = 666.

It is not a de Polignac number, because 13662117 - 2⁶ = 13662053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108367 + ... + 108492.

Almost surely, 2^13662117 is an apocalyptic number.

It is an amenable number.

13662117 is a deficient number, since it is larger than the sum of its proper divisors (8891323).

13662117 is a wasteful number, since it uses less digits than its factorization.

13662117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216872 (or 216869 counting only the distinct ones).

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

The square root of 13662117 is about 3696.2301064734. The cubic root of 13662117 is about 239.0594962842.

Adding to 13662117 its reverse (71126631), we get a palindrome (84788748).

The spelling of 13662117 in words is "thirteen million, six hundred sixty-two thousand, one hundred seventeen".