13843305 has 80 divisors (see below), whose sum is σ = 29969280. Its totient is φ = 5971968.

The previous prime is 13843283. The next prime is 13843331. The reversal of 13843305 is 50334831.

It is a happy number.

It is not a de Polignac number, because 13843305 - 2⁶ = 13843241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 53737 + ... + 53993.

It is an arithmetic number, because the mean of its divisors is an integer number (374616).

Almost surely, 2^13843305 is an apocalyptic number.

13843305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13843305 is an abundant number, since it is smaller than the sum of its proper divisors (16125975).

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

13843305 is a wasteful number, since it uses less digits than its factorization.

13843305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13843305 is about 3720.6592157842. The cubic root of 13843305 is about 240.1116667858. Note that the first 3 decimals are identical.

The spelling of 13843305 in words is "thirteen million, eight hundred forty-three thousand, three hundred five".