13936842 has 24 divisors (see below), whose sum is σ = 31786560. Its totient is φ = 4401000.

The previous prime is 13936841. The next prime is 13936877. The reversal of 13936842 is 24863931.

It is a junction number, because it is equal to n+sod(n) for n = 13936797 and 13936806.

It is not an unprimeable number, because it can be changed into a prime (13936841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20034 + ... + 20717.

It is an arithmetic number, because the mean of its divisors is an integer number (1324440).

Almost surely, 2^13936842 is an apocalyptic number.

13936842 is an abundant number, since it is smaller than the sum of its proper divisors (17849718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13936842 is a wasteful number, since it uses less digits than its factorization.

13936842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778 (or 40775 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13936842 is about 3733.2080038487. The cubic root of 13936842 is about 240.6512520298.

The spelling of 13936842 in words is "thirteen million, nine hundred thirty-six thousand, eight hundred forty-two".