12419780 has 24 divisors (see below), whose sum is σ = 26151552. Its totient is φ = 4954592.

The previous prime is 12419779. The next prime is 12419807. The reversal of 12419780 is 8791421.

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 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 11811.

It is an arithmetic number, because the mean of its divisors is an integer number (1089648).

Almost surely, 2^12419780 is an apocalyptic number.

12419780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12419780 is an abundant number, since it is smaller than the sum of its proper divisors (13731772).

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

12419780 is a wasteful number, since it uses less digits than its factorization.

12419780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12419780 is about 3524.1708244635. The cubic root of 12419780 is about 231.5819114997.

The spelling of 12419780 in words is "twelve million, four hundred nineteen thousand, seven hundred eighty".