13393911 has 8 divisors (see below), whose sum is σ = 18474480. Its totient is φ = 8621312.

The previous prime is 13393883. The next prime is 13393927. The reversal of 13393911 is 11939331.

It is a happy number.

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 13393911 - 2⁶ = 13393847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76890 + ... + 77063.

It is an arithmetic number, because the mean of its divisors is an integer number (2309310).

Almost surely, 2^13393911 is an apocalyptic number.

13393911 is a deficient number, since it is larger than the sum of its proper divisors (5080569).

13393911 is a wasteful number, since it uses less digits than its factorization.

13393911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153985.

The product of its digits is 2187, while the sum is 30.

The square root of 13393911 is about 3659.7692550214. The cubic root of 13393911 is about 237.4847916393.

The spelling of 13393911 in words is "thirteen million, three hundred ninety-three thousand, nine hundred eleven".