12828427 has 2 divisors, whose sum is σ = 12828428. Its totient is φ = 12828426.

The previous prime is 12828407. The next prime is 12828461. The reversal of 12828427 is 72482821.

It is an a-pointer prime, because the next prime (12828461) can be obtained adding 12828427 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12828427 - 2¹¹ = 12826379 is a prime.

It is a super-3 number, since 3×12828427³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12828392 and 12828401.

It is not a weakly prime, because it can be changed into another prime (12828407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6414213 + 6414214.

It is an arithmetic number, because the mean of its divisors is an integer number (6414214).

Almost surely, 2^12828427 is an apocalyptic number.

12828427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828427 is an equidigital number, since it uses as much as digits as its factorization.

12828427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 34.

The square root of 12828427 is about 3581.6793547162. The cubic root of 12828427 is about 234.0944598792.

The spelling of 12828427 in words is "twelve million, eight hundred twenty-eight thousand, four hundred twenty-seven".