12419820 has 72 divisors (see below), whose sum is σ = 43059744. Its totient is φ = 2838528.

The previous prime is 12419807. The next prime is 12419831. The reversal of 12419820 is 2891421.

It is a zygodrome in base 6.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3669 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (598052).

Almost surely, 2^12419820 is an apocalyptic number.

12419820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12419820 is an abundant number, since it is smaller than the sum of its proper divisors (30639924).

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

12419820 is a wasteful number, since it uses less digits than its factorization.

12419820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879 (or 9874 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12419820 is about 3524.1764995528. The cubic root of 12419820 is about 231.5821601156.

The spelling of 12419820 in words is "twelve million, four hundred nineteen thousand, eight hundred twenty".