12828419 has 4 divisors (see below), whose sum is σ = 12872496. Its totient is φ = 12784344.

The previous prime is 12828407. The next prime is 12828427. The reversal of 12828419 is 91482821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91482821 = 47 ⋅1946443.

It is a cyclic number.

It is not a de Polignac number, because 12828419 - 2¹² = 12824323 is a prime.

It is a super-3 number, since 3×12828419³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12828499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21599 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (3218124).

Almost surely, 2^12828419 is an apocalyptic number.

12828419 is a deficient number, since it is larger than the sum of its proper divisors (44077).

12828419 is an equidigital number, since it uses as much as digits as its factorization.

12828419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44076.

The product of its digits is 9216, while the sum is 35.

The square root of 12828419 is about 3581.6782379214. The cubic root of 12828419 is about 234.0944112176.

The spelling of 12828419 in words is "twelve million, eight hundred twenty-eight thousand, four hundred nineteen".