12359979 has 16 divisors (see below), whose sum is σ = 18903040. Its totient is φ = 7973640.

The previous prime is 12359957. The next prime is 12359987. The reversal of 12359979 is 97995321.

It is a happy number.

It is not a de Polignac number, because 12359979 - 2¹¹ = 12357931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12359909) 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 15 ways as a sum of consecutive naturals, for example, 6547 + ... + 8220.

It is an arithmetic number, because the mean of its divisors is an integer number (1181440).

Almost surely, 2^12359979 is an apocalyptic number.

12359979 is a deficient number, since it is larger than the sum of its proper divisors (6543061).

12359979 is a wasteful number, since it uses less digits than its factorization.

12359979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14807 (or 14801 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 12359979 is about 3515.6761796275. The cubic root of 12359979 is about 231.2096258709.

The spelling of 12359979 in words is "twelve million, three hundred fifty-nine thousand, nine hundred seventy-nine".