13685052 has 12 divisors (see below), whose sum is σ = 31931816. Its totient is φ = 4561680.

The previous prime is 13685047. The next prime is 13685053. The reversal of 13685052 is 25058631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685053) 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 3 ways as a sum of consecutive naturals, for example, 570199 + ... + 570222.

Almost surely, 2^13685052 is an apocalyptic number.

13685052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13685052 is an abundant number, since it is smaller than the sum of its proper divisors (18246764).

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

13685052 is a wasteful number, since it uses less digits than its factorization.

13685052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140428 (or 1140426 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13685052 is about 3699.3312909227. The cubic root of 13685052 is about 239.1931935812.

The spelling of 13685052 in words is "thirteen million, six hundred eighty-five thousand, fifty-two".