12973139347 has 8 divisors (see below), whose sum is σ = 14829716736. Its totient is φ = 11117379912.

The previous prime is 12973139341. The next prime is 12973139363. The reversal of 12973139347 is 74393137921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12973139347 - 2³ = 12973139339 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 12973139347.

It is not an unprimeable number, because it can be changed into a prime (12973139341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170113 + ... + 234274.

It is an arithmetic number, because the mean of its divisors is an integer number (1853714592).

Almost surely, 2^12973139347 is an apocalyptic number.

12973139347 is a deficient number, since it is larger than the sum of its proper divisors (1856577389).

12973139347 is an equidigital number, since it uses as much as digits as its factorization.

12973139347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408977.

The product of its digits is 857304, while the sum is 49.

The spelling of 12973139347 in words is "twelve billion, nine hundred seventy-three million, one hundred thirty-nine thousand, three hundred forty-seven".