13782938 has 16 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 6225456.

The previous prime is 13782913. The next prime is 13782943. The reversal of 13782938 is 83928731.

It is a junction number, because it is equal to n+sod(n) for n = 13782895 and 13782904.

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 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^13782938 is an apocalyptic number.

13782938 is a deficient number, since it is larger than the sum of its proper divisors (8957542).

13782938 is a wasteful number, since it uses less digits than its factorization.

13782938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341.

The product of its digits is 72576, while the sum is 41.

The square root of 13782938 is about 3712.5379459340. The cubic root of 13782938 is about 239.7621370181.

The spelling of 13782938 in words is "thirteen million, seven hundred eighty-two thousand, nine hundred thirty-eight".