12420496 has 20 divisors (see below), whose sum is σ = 26252784. Its totient is φ = 5645600.

The previous prime is 12420487. The next prime is 12420511. The reversal of 12420496 is 69402421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35110 + ... + 35461.

Almost surely, 2^12420496 is an apocalyptic number.

12420496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12420496 is an abundant number, since it is smaller than the sum of its proper divisors (13832288).

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

12420496 is a wasteful number, since it uses less digits than its factorization.

12420496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70590 (or 70584 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12420496 is about 3524.2724071785. The cubic root of 12420496 is about 231.5863616446.

The spelling of 12420496 in words is "twelve million, four hundred twenty thousand, four hundred ninety-six".