12826663824 has 40 divisors (see below), whose sum is σ = 35684438272. Its totient is φ = 3946665600.

The previous prime is 12826663813. The next prime is 12826663847. The reversal of 12826663824 is 42836662821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10277152 + ... + 10278399.

Almost surely, 2^12826663824 is an apocalyptic number.

It is an amenable number.

12826663824 is an abundant number, since it is smaller than the sum of its proper divisors (22857774448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12826663824 is a wasteful number, since it uses less digits than its factorization.

12826663824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555575 (or 20555569 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The spelling of 12826663824 in words is "twelve billion, eight hundred twenty-six million, six hundred sixty-three thousand, eight hundred twenty-four".