12347426963 has 4 divisors (see below), whose sum is σ = 12997291560. Its totient is φ = 11697562368.

The previous prime is 12347426951. The next prime is 12347426969. The reversal of 12347426963 is 36962474321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36962474321 = 109 ⋅339105269.

It is a cyclic number.

It is not a de Polignac number, because 12347426963 - 2¹⁰ = 12347425939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347426969) 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, 324932270 + ... + 324932307.

It is an arithmetic number, because the mean of its divisors is an integer number (3249322890).

Almost surely, 2^12347426963 is an apocalyptic number.

12347426963 is a deficient number, since it is larger than the sum of its proper divisors (649864597).

12347426963 is an equidigital number, since it uses as much as digits as its factorization.

12347426963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649864596.

The product of its digits is 1306368, while the sum is 47.

The spelling of 12347426963 in words is "twelve billion, three hundred forty-seven million, four hundred twenty-six thousand, nine hundred sixty-three".