13071983 has 4 divisors (see below), whose sum is σ = 13175040. Its totient is φ = 12968928.

The previous prime is 13071979. The next prime is 13072009. The reversal of 13071983 is 38917031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13071983 - 2² = 13071979 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 (13071923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51338 + ... + 51591.

It is an arithmetic number, because the mean of its divisors is an integer number (3293760).

Almost surely, 2^13071983 is an apocalyptic number.

13071983 is a deficient number, since it is larger than the sum of its proper divisors (103057).

13071983 is a wasteful number, since it uses less digits than its factorization.

13071983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103056.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13071983 is about 3615.5197413373. The cubic root of 13071983 is about 235.5666602675.

The spelling of 13071983 in words is "thirteen million, seventy-one thousand, nine hundred eighty-three".