13983845 has 8 divisors (see below), whose sum is σ = 16808064. Its totient is φ = 11168784.

The previous prime is 13983841. The next prime is 13983859. The reversal of 13983845 is 54838931.

13983845 = 2158² + 2159² + 2160².

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 13983845 - 2² = 13983841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1712 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (2101008).

Almost surely, 2^13983845 is an apocalyptic number.

It is an amenable number.

13983845 is a deficient number, since it is larger than the sum of its proper divisors (2824219).

13983845 is an equidigital number, since it uses as much as digits as its factorization.

13983845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579.

The product of its digits is 103680, while the sum is 41.

The square root of 13983845 is about 3739.4979609568. The cubic root of 13983845 is about 240.9214863359.

The spelling of 13983845 in words is "thirteen million, nine hundred eighty-three thousand, eight hundred forty-five".