13982042 has 8 divisors (see below), whose sum is σ = 20994132. Its totient is φ = 6984000.

The previous prime is 13982039. The next prime is 13982047. The reversal of 13982042 is 24028931.

It can be written as a sum of positive squares in 2 ways, for example, as 13608721 + 373321 = 3689^2 + 611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13981996 and 13982014.

It is not an unprimeable number, because it can be changed into a prime (13982047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 509 + ... + 5312.

Almost surely, 2^13982042 is an apocalyptic number.

13982042 is a deficient number, since it is larger than the sum of its proper divisors (7012090).

13982042 is a wasteful number, since it uses less digits than its factorization.

13982042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13982042 is about 3739.2568780441. The cubic root of 13982042 is about 240.9111315274.

The spelling of 13982042 in words is "thirteen million, nine hundred eighty-two thousand, forty-two".