13888042 has 32 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 5660928.

The previous prime is 13888037. The next prime is 13888057. The reversal of 13888042 is 24088831.

It is a junction number, because it is equal to n+sod(n) for n = 13887989 and 13888007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31858 + ... + 32290.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^13888042 is an apocalyptic number.

13888042 is a deficient number, since it is larger than the sum of its proper divisors (11110358).

13888042 is a wasteful number, since it uses less digits than its factorization.

13888042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 13888042 is about 3726.6663387000. Note that the first 3 decimals coincide. The cubic root of 13888042 is about 240.3700425847.

The spelling of 13888042 in words is "thirteen million, eight hundred eighty-eight thousand, forty-two".