13393811 has 8 divisors (see below), whose sum is σ = 13659360. Its totient is φ = 13131072.

The previous prime is 13393747. The next prime is 13393817. The reversal of 13393811 is 11839331.

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 13393811 - 2⁶ = 13393747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13393817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10631 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (1707420).

Almost surely, 2^13393811 is an apocalyptic number.

13393811 is a deficient number, since it is larger than the sum of its proper divisors (265549).

13393811 is a wasteful number, since it uses less digits than its factorization.

13393811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405.

The product of its digits is 1944, while the sum is 29.

The square root of 13393811 is about 3659.7555929324. The cubic root of 13393811 is about 237.4842006110.

The spelling of 13393811 in words is "thirteen million, three hundred ninety-three thousand, eight hundred eleven".