13388738 has 16 divisors (see below), whose sum is σ = 22419936. Its totient is φ = 5943840.

The previous prime is 13388719. The next prime is 13388747. The reversal of 13388738 is 83788331.

It is a junction number, because it is equal to n+sod(n) for n = 13388695 and 13388704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 8022.

It is an arithmetic number, because the mean of its divisors is an integer number (1401246).

Almost surely, 2^13388738 is an apocalyptic number.

13388738 is a deficient number, since it is larger than the sum of its proper divisors (9031198).

13388738 is a wasteful number, since it uses less digits than its factorization.

13388738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209.

The product of its digits is 96768, while the sum is 41.

The square root of 13388738 is about 3659.0624482236. The cubic root of 13388738 is about 237.4542138884.

The spelling of 13388738 in words is "thirteen million, three hundred eighty-eight thousand, seven hundred thirty-eight".