13685652 has 24 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 4561848.

The previous prime is 13685641. The next prime is 13685657. The reversal of 13685652 is 25658631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685657) 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 7 ways as a sum of consecutive naturals, for example, 63252 + ... + 63467.

It is an arithmetic number, because the mean of its divisors is an integer number (1478400).

Almost surely, 2^13685652 is an apocalyptic number.

13685652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13685652 is an abundant number, since it is smaller than the sum of its proper divisors (21795948).

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

13685652 is a wasteful number, since it uses less digits than its factorization.

13685652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126732 (or 126724 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 13685652 is about 3699.4123857716. The cubic root of 13685652 is about 239.1966892157.

The spelling of 13685652 in words is "thirteen million, six hundred eighty-five thousand, six hundred fifty-two".