13791983 has 6 divisors (see below), whose sum is σ = 13905144. Its totient is φ = 13679544.

The previous prime is 13791977. The next prime is 13792001. The reversal of 13791983 is 38919731.

It is not a de Polignac number, because 13791983 - 2¹⁴ = 13775599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13791983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13791923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52310 + ... + 52572.

It is an arithmetic number, because the mean of its divisors is an integer number (2317524).

Almost surely, 2^13791983 is an apocalyptic number.

13791983 is a deficient number, since it is larger than the sum of its proper divisors (113161).

13791983 is an frugal number, since it uses more digits than its factorization.

13791983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 492 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 13791983 is about 3713.7559155119. The cubic root of 13791983 is about 239.8145732092.

The spelling of 13791983 in words is "thirteen million, seven hundred ninety-one thousand, nine hundred eighty-three".