13856542 has 8 divisors (see below), whose sum is σ = 23754096. Its totient is φ = 5938512.

The previous prime is 13856539. The next prime is 13856593. The reversal of 13856542 is 24565831.

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 = 13856498 and 13856507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494863 + ... + 494890.

It is an arithmetic number, because the mean of its divisors is an integer number (2969262).

Almost surely, 2^13856542 is an apocalyptic number.

13856542 is a deficient number, since it is larger than the sum of its proper divisors (9897554).

13856542 is an equidigital number, since it uses as much as digits as its factorization.

13856542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989762.

The product of its digits is 28800, while the sum is 34.

The square root of 13856542 is about 3722.4376421909. The cubic root of 13856542 is about 240.1881741810.

The spelling of 13856542 in words is "thirteen million, eight hundred fifty-six thousand, five hundred forty-two".