12946709570 has 8 divisors (see below), whose sum is σ = 23304077244. Its totient is φ = 5178683824.

The previous prime is 12946709549. The next prime is 12946709597. The reversal of 12946709570 is 7590764921.

It can be written as a sum of positive squares in 2 ways, for example, as 12361214761 + 585494809 = 111181^2 + 24197^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647335469 + ... + 647335488.

Almost surely, 2^12946709570 is an apocalyptic number.

12946709570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12946709570 is a deficient number, since it is larger than the sum of its proper divisors (10357367674).

12946709570 is a wasteful number, since it uses less digits than its factorization.

12946709570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294670964.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 12946709570 in words is "twelve billion, nine hundred forty-six million, seven hundred nine thousand, five hundred seventy".