12486220 has 12 divisors (see below), whose sum is σ = 26221104. Its totient is φ = 4994480.

The previous prime is 12486209. The next prime is 12486239. The reversal of 12486220 is 2268421.

It is a happy number.

12486220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312136 + ... + 312175.

It is an arithmetic number, because the mean of its divisors is an integer number (2185092).

Almost surely, 2^12486220 is an apocalyptic number.

12486220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12486220 is an abundant number, since it is smaller than the sum of its proper divisors (13734884).

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

12486220 is a wasteful number, since it uses less digits than its factorization.

12486220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624320 (or 624318 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12486220 is about 3533.5845822620. The cubic root of 12486220 is about 231.9941288645.

The spelling of 12486220 in words is "twelve million, four hundred eighty-six thousand, two hundred twenty".