12276620 has 24 divisors (see below), whose sum is σ = 26613888. Its totient is φ = 4752000.

The previous prime is 12276581. The next prime is 12276631. The reversal of 12276620 is 2667221.

It is a self number, because there is not a number n which added to its sum of digits gives 12276620.

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 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (1108912).

Almost surely, 2^12276620 is an apocalyptic number.

12276620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12276620 is an abundant number, since it is smaller than the sum of its proper divisors (14337268).

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

12276620 is a wasteful number, since it uses less digits than its factorization.

12276620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19841 (or 19839 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12276620 is about 3503.8007934242. The cubic root of 12276620 is about 230.6886731355.

The spelling of 12276620 in words is "twelve million, two hundred seventy-six thousand, six hundred twenty".