12983479 has 4 divisors (see below), whose sum is σ = 13666840. Its totient is φ = 12300120.

The previous prime is 12983471. The next prime is 12983483. The reversal of 12983479 is 97438921.

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 12983479 - 2³ = 12983471 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 (12983471) 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, 341652 + ... + 341689.

It is an arithmetic number, because the mean of its divisors is an integer number (3416710).

Almost surely, 2^12983479 is an apocalyptic number.

12983479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12983479 is a deficient number, since it is larger than the sum of its proper divisors (683361).

12983479 is an equidigital number, since it uses as much as digits as its factorization.

12983479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683360.

The product of its digits is 108864, while the sum is 43.

The square root of 12983479 is about 3603.2594966225. The cubic root of 12983479 is about 235.0338203928.

The spelling of 12983479 in words is "twelve million, nine hundred eighty-three thousand, four hundred seventy-nine".