12946785635 has 12 divisors (see below), whose sum is σ = 18072656208. Its totient is φ = 8877795696.

The previous prime is 12946785587. The next prime is 12946785641. The reversal of 12946785635 is 53658764921.

It is not a de Polignac number, because 12946785635 - 2²² = 12942591331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26421767 + ... + 26422256.

It is an arithmetic number, because the mean of its divisors is an integer number (1506054684).

Almost surely, 2^12946785635 is an apocalyptic number.

12946785635 is a deficient number, since it is larger than the sum of its proper divisors (5125870573).

12946785635 is an equidigital number, since it uses as much as digits as its factorization.

12946785635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52844042 (or 52844035 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 12946785635 in words is "twelve billion, nine hundred forty-six million, seven hundred eighty-five thousand, six hundred thirty-five".