13321983 has 12 divisors (see below), whose sum is σ = 18748248. Its totient is φ = 8413200.

The previous prime is 13321981. The next prime is 13321993. The reversal of 13321983 is 38912331.

It is not a de Polignac number, because 13321983 - 2¹ = 13321981 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13321983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5068 + ... + 7233.

It is an arithmetic number, because the mean of its divisors is an integer number (1562354).

Almost surely, 2^13321983 is an apocalyptic number.

13321983 is a deficient number, since it is larger than the sum of its proper divisors (5426265).

13321983 is a wasteful number, since it uses less digits than its factorization.

13321983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342 (or 12323 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 13321983 is about 3649.9291773951. The cubic root of 13321983 is about 237.0589146561.

The spelling of 13321983 in words is "thirteen million, three hundred twenty-one thousand, nine hundred eighty-three".