12832873786 has 4 divisors (see below), whose sum is σ = 19249310682. Its totient is φ = 6416436892.

The previous prime is 12832873747. The next prime is 12832873819. The reversal of 12832873786 is 68737823821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68737823821 = 3797 ⋅18103193.

It can be written as a sum of positive squares in only one way, i.e., 10697971761 + 2134902025 = 103431^2 + 46205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208218445 + ... + 3208218448.

Almost surely, 2^12832873786 is an apocalyptic number.

12832873786 is a deficient number, since it is larger than the sum of its proper divisors (6416436896).

12832873786 is an equidigital number, since it uses as much as digits as its factorization.

12832873786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416436895.

The product of its digits is 5419008, while the sum is 55.

The spelling of 12832873786 in words is "twelve billion, eight hundred thirty-two million, eight hundred seventy-three thousand, seven hundred eighty-six".