13680852 has 48 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 4257792.

The previous prime is 13680829. The next prime is 13680853. The reversal of 13680852 is 25808631.

It is a happy number.

It is a super-2 number, since 2×13680852² = 374331422891808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40428 + ... + 40764.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^13680852 is an apocalyptic number.

13680852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13680852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17035200).

13680852 is an abundant number, since it is smaller than the sum of its proper divisors (20389548).

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

13680852 is a wasteful number, since it uses less digits than its factorization.

13680852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13680852 is about 3698.7635771971. The cubic root of 13680852 is about 239.1687212785.

The spelling of 13680852 in words is "thirteen million, six hundred eighty thousand, eight hundred fifty-two".