13683745 has 8 divisors (see below), whose sum is σ = 16665984. Its totient is φ = 10783344.

The previous prime is 13683731. The next prime is 13683757. The reversal of 13683745 is 54738631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13683745 - 2¹⁵ = 13650977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20089 + ... + 20758.

It is an arithmetic number, because the mean of its divisors is an integer number (2083248).

Almost surely, 2^13683745 is an apocalyptic number.

It is an amenable number.

13683745 is a deficient number, since it is larger than the sum of its proper divisors (2982239).

13683745 is an equidigital number, since it uses as much as digits as its factorization.

13683745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40919.

The product of its digits is 60480, while the sum is 37.

The square root of 13683745 is about 3699.1546331561. The cubic root of 13683745 is about 239.1855785704.

The spelling of 13683745 in words is "thirteen million, six hundred eighty-three thousand, seven hundred forty-five".