13685037 has 16 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 8797040.

The previous prime is 13685033. The next prime is 13685047. The reversal of 13685037 is 73058631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13685037 - 2² = 13685033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13684989 and 13685007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685033) 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 15 ways as a sum of consecutive naturals, for example, 9328 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (1181952).

Almost surely, 2^13685037 is an apocalyptic number.

It is an amenable number.

13685037 is a deficient number, since it is larger than the sum of its proper divisors (5226195).

13685037 is a wasteful number, since it uses less digits than its factorization.

13685037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13685037 is about 3699.3292635287. The cubic root of 13685037 is about 239.1931061890.

The spelling of 13685037 in words is "thirteen million, six hundred eighty-five thousand, thirty-seven".