13808378 has 16 divisors (see below), whose sum is σ = 21119616. Its totient is φ = 6769920.

The previous prime is 13808359. The next prime is 13808401. The reversal of 13808378 is 87380831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31823 + ... + 32253.

It is an arithmetic number, because the mean of its divisors is an integer number (1319976).

Almost surely, 2^13808378 is an apocalyptic number.

13808378 is a deficient number, since it is larger than the sum of its proper divisors (7311238).

13808378 is a wasteful number, since it uses less digits than its factorization.

13808378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 13808378 is about 3715.9625939990. The cubic root of 13808378 is about 239.9095608315.

The spelling of 13808378 in words is "thirteen million, eight hundred eight thousand, three hundred seventy-eight".