13843745 has 8 divisors (see below), whose sum is σ = 16649280. Its totient is φ = 11050480.

The previous prime is 13843717. The next prime is 13843751. The reversal of 13843745 is 54734831.

13843745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13843745 - 2¹⁶ = 13778209 is a prime.

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, 365 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (2081160).

Almost surely, 2^13843745 is an apocalyptic number.

It is an amenable number.

13843745 is a deficient number, since it is larger than the sum of its proper divisors (2805535).

13843745 is an equidigital number, since it uses as much as digits as its factorization.

13843745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its digits is 40320, while the sum is 35.

The square root of 13843745 is about 3720.7183446211. The cubic root of 13843745 is about 240.1142106873.

The spelling of 13843745 in words is "thirteen million, eight hundred forty-three thousand, seven hundred forty-five".