13683620 has 48 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 5174400.

The previous prime is 13683613. The next prime is 13683727. The reversal of 13683620 is 2638631.

It is an unprimeable number.

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, 69362 + ... + 69558.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^13683620 is an apocalyptic number.

13683620 is a gapful number since it is divisible by the number (10) 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 13683620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384).

13683620 is an abundant number, since it is smaller than the sum of its proper divisors (16653148).

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

13683620 is a wasteful number, since it uses less digits than its factorization.

13683620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 13683620 is about 3699.1377373653. The cubic root of 13683620 is about 239.1848502540.

The spelling of 13683620 in words is "thirteen million, six hundred eighty-three thousand, six hundred twenty".