13683842 has 4 divisors (see below), whose sum is σ = 20525766. Its totient is φ = 6841920.

The previous prime is 13683841. The next prime is 13683877. The reversal of 13683842 is 24838631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 2468041 = 3349^2 + 1571^2 .

It is not an unprimeable number, because it can be changed into a prime (13683841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420959 + ... + 3420962.

Almost surely, 2^13683842 is an apocalyptic number.

13683842 is a deficient number, since it is larger than the sum of its proper divisors (6841924).

13683842 is an equidigital number, since it uses as much as digits as its factorization.

13683842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841923.

The product of its digits is 27648, while the sum is 35.

The square root of 13683842 is about 3699.1677442365. The cubic root of 13683842 is about 239.1861437409.

The spelling of 13683842 in words is "thirteen million, six hundred eighty-three thousand, eight hundred forty-two".