13683456 has 54 divisors (see below), whose sum is σ = 39459420. Its totient is φ = 4560384.

The previous prime is 13683443. The next prime is 13683473. The reversal of 13683456 is 65438631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13683456.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (730730).

Almost surely, 2^13683456 is an apocalyptic number.

13683456 is a gapful number since it is divisible by the number (16) 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 13683456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19729710).

13683456 is an abundant number, since it is smaller than the sum of its proper divisors (25775964).

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

13683456 is an equidigital number, since it uses as much as digits as its factorization.

13683456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5944 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 13683456 is about 3699.1155699707. The cubic root of 13683456 is about 239.1838946961.

The spelling of 13683456 in words is "thirteen million, six hundred eighty-three thousand, four hundred fifty-six".