12821496 has 16 divisors (see below), whose sum is σ = 32053800. Its totient is φ = 4273824.

The previous prime is 12821491. The next prime is 12821503. The reversal of 12821496 is 69412821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821491) 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, 267091 + ... + 267138.

Almost surely, 2^12821496 is an apocalyptic number.

It is an amenable number.

12821496 is an abundant number, since it is smaller than the sum of its proper divisors (19232304).

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

12821496 is a wasteful number, since it uses less digits than its factorization.

12821496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534238 (or 534234 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 12821496 is about 3580.7116611087. The cubic root of 12821496 is about 234.0522930832.

The spelling of 12821496 in words is "twelve million, eight hundred twenty-one thousand, four hundred ninety-six".