12279003839 has 4 divisors (see below), whose sum is σ = 12279267024. Its totient is φ = 12278740656.

The previous prime is 12279003829. The next prime is 12279003871. The reversal of 12279003839 is 93830097221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93830097221 = 7 ⋅13404299603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12279003839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12279003839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279003809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40667 + ... + 161900.

It is an arithmetic number, because the mean of its divisors is an integer number (3069816756).

Almost surely, 2^12279003839 is an apocalyptic number.

12279003839 is a deficient number, since it is larger than the sum of its proper divisors (263185).

12279003839 is an equidigital number, since it uses as much as digits as its factorization.

12279003839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263184.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 12279003839 in words is "twelve billion, two hundred seventy-nine million, three thousand, eight hundred thirty-nine".