12280930 has 16 divisors (see below), whose sum is σ = 22148280. Its totient is φ = 4902912.

The previous prime is 12280913. The next prime is 12280937. The reversal of 12280930 is 3908221.

12280930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7436529 + 4844401 = 2727^2 + 2201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12280895 and 12280904.

It is not an unprimeable number, because it can be changed into a prime (12280937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 8488.

Almost surely, 2^12280930 is an apocalyptic number.

12280930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12280930 is a deficient number, since it is larger than the sum of its proper divisors (9867350).

12280930 is a wasteful number, since it uses less digits than its factorization.

12280930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12280930 is about 3504.4157858336. The cubic root of 12280930 is about 230.7156662289.

The spelling of 12280930 in words is "twelve million, two hundred eighty thousand, nine hundred thirty".