12275830 has 32 divisors (see below), whose sum is σ = 25436736. Its totient is φ = 4178304.

The previous prime is 12275827. The next prime is 12275839. The reversal of 12275830 is 3857221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10432 + ... + 11548.

It is an arithmetic number, because the mean of its divisors is an integer number (794898).

Almost surely, 2^12275830 is an apocalyptic number.

12275830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12275830 is an abundant number, since it is smaller than the sum of its proper divisors (13160906).

12275830 is a wasteful number, since it uses less digits than its factorization.

12275830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12275830 is about 3503.6880568909. The cubic root of 12275830 is about 230.6837247605.

The spelling of 12275830 in words is "twelve million, two hundred seventy-five thousand, eight hundred thirty".