12419720 has 32 divisors (see below), whose sum is σ = 28629720. Its totient is φ = 4846080.

The previous prime is 12419713. The next prime is 12419767. The reversal of 12419720 is 2791421.

It can be written as a sum of positive squares in 4 ways, for example, as 10745284 + 1674436 = 3278^2 + 1294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12419720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147 + ... + 5426.

Almost surely, 2^12419720 is an apocalyptic number.

12419720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12419720 is an abundant number, since it is smaller than the sum of its proper divisors (16210000).

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

12419720 is a wasteful number, since it uses less digits than its factorization.

12419720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12419720 is about 3524.1623118126. The cubic root of 12419720 is about 231.5815385747.

The spelling of 12419720 in words is "twelve million, four hundred nineteen thousand, seven hundred twenty".