12828672001 has 4 divisors (see below), whose sum is σ = 12830726592. Its totient is φ = 12826617412.

The previous prime is 12828671993. The next prime is 12828672007. The reversal of 12828672001 is 10027682821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10027682821 = 13 ⋅771360217.

It is a cyclic number.

It is not a de Polignac number, because 12828672001 - 2³ = 12828671993 is a prime.

It is a super-3 number, since 3×12828672001³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12828672007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017901 + ... + 1030426.

It is an arithmetic number, because the mean of its divisors is an integer number (3207681648).

It is a Proth number, since it is equal to 97875 ⋅ 2¹⁷ + 1 and 97875 < 2¹⁷.

Almost surely, 2^12828672001 is an apocalyptic number.

It is an amenable number.

12828672001 is a deficient number, since it is larger than the sum of its proper divisors (2054591).

12828672001 is an equidigital number, since it uses as much as digits as its factorization.

12828672001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054590.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 12828672001 in words is "twelve billion, eight hundred twenty-eight million, six hundred seventy-two thousand, one".