13678042 has 16 divisors (see below), whose sum is σ = 23994432. Its totient is φ = 5725440.

The previous prime is 13678003. The next prime is 13678057. The reversal of 13678042 is 24087631.

It is a junction number, because it is equal to n+sod(n) for n = 13677995 and 13678013.

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, 10759 + ... + 11962.

It is an arithmetic number, because the mean of its divisors is an integer number (1499652).

Almost surely, 2^13678042 is an apocalyptic number.

13678042 is a deficient number, since it is larger than the sum of its proper divisors (10316390).

13678042 is a wasteful number, since it uses less digits than its factorization.

13678042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22773.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13678042 is about 3698.3837010240. The cubic root of 13678042 is about 239.1523453461.

It can be divided in two parts, 1367 and 8042, that added together give a square (9409 = 97²).

The spelling of 13678042 in words is "thirteen million, six hundred seventy-eight thousand, forty-two".