12846220 has 24 divisors (see below), whose sum is σ = 28564704. Its totient is φ = 4836096.

The previous prime is 12846209. The next prime is 12846221. The reversal of 12846220 is 2264821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12846221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18552 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (1190196).

Almost surely, 2^12846220 is an apocalyptic number.

12846220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12846220 is an abundant number, since it is smaller than the sum of its proper divisors (15718484).

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

12846220 is a wasteful number, since it uses less digits than its factorization.

12846220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37809 (or 37807 counting only the distinct ones).

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

The square root of 12846220 is about 3584.1623847142. The cubic root of 12846220 is about 234.2026393799.

The spelling of 12846220 in words is "twelve million, eight hundred forty-six thousand, two hundred twenty".