12719983 has 4 divisors (see below), whose sum is σ = 12801160. Its totient is φ = 12638808.

The previous prime is 12719977. The next prime is 12720011. The reversal of 12719983 is 38991721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38991721 = 419 ⋅93059.

It is a cyclic number.

It is not a de Polignac number, because 12719983 - 2¹³ = 12711791 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 (12719933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40353 + ... + 40666.

It is an arithmetic number, because the mean of its divisors is an integer number (3200290).

Almost surely, 2^12719983 is an apocalyptic number.

12719983 is a deficient number, since it is larger than the sum of its proper divisors (81177).

12719983 is an equidigital number, since it uses as much as digits as its factorization.

12719983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81176.

The product of its digits is 27216, while the sum is 40.

The square root of 12719983 is about 3566.5085167430. The cubic root of 12719983 is about 233.4329599506.

The spelling of 12719983 in words is "twelve million, seven hundred nineteen thousand, nine hundred eighty-three".