13685342 has 32 divisors (see below), whose sum is σ = 23242464. Its totient is φ = 6040320.

The previous prime is 13685327. The next prime is 13685359. The reversal of 13685342 is 24358631.

13685342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13685299 and 13685308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141038 + ... + 141134.

It is an arithmetic number, because the mean of its divisors is an integer number (726327).

Almost surely, 2^13685342 is an apocalyptic number.

13685342 is a deficient number, since it is larger than the sum of its proper divisors (9557122).

13685342 is an equidigital number, since it uses as much as digits as its factorization.

13685342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 163 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 13685342 is about 3699.3704869883. The cubic root of 13685342 is about 239.1948831506.

Subtracting 13685342 from its reverse (24358631), we obtain a square (10673289 = 3267²).

It can be divided in two parts, 13685 and 342, that multiplied together give a triangular number (4680270 = T₃₀₅₉).

The spelling of 13685342 in words is "thirteen million, six hundred eighty-five thousand, three hundred forty-two".