13393808 has 10 divisors (see below), whose sum is σ = 25950534. Its totient is φ = 6696896.

The previous prime is 13393747. The next prime is 13393817. The reversal of 13393808 is 80839331.

13393808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 1227664 = 3488^2 + 1108^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418541 + ... + 418572.

Almost surely, 2^13393808 is an apocalyptic number.

It is an amenable number.

13393808 is a deficient number, since it is larger than the sum of its proper divisors (12556726).

13393808 is an equidigital number, since it uses as much as digits as its factorization.

13393808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837121 (or 837115 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13393808 is about 3659.7551830689. The cubic root of 13393808 is about 237.4841828801.

The spelling of 13393808 in words is "thirteen million, three hundred ninety-three thousand, eight hundred eight".