12280370 has 16 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 4797744.

The previous prime is 12280357. The next prime is 12280379. The reversal of 12280370 is 7308221.

12280370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12280379) 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, 13850 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^12280370 is an apocalyptic number.

12280370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12280370 is a deficient number, since it is larger than the sum of its proper divisors (10339150).

12280370 is a wasteful number, since it uses less digits than its factorization.

12280370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28609.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12280370 is about 3504.3358857279. The cubic root of 12280370 is about 230.7121593627.

Adding to 12280370 its reverse (7308221), we get a palindrome (19588591).

The spelling of 12280370 in words is "twelve million, two hundred eighty thousand, three hundred seventy".