12471830 has 16 divisors (see below), whose sum is σ = 25656480. Its totient is φ = 4276032.

The previous prime is 12471803. The next prime is 12471841. The reversal of 12471830 is 3817421.

It is a self number, because there is not a number n which added to its sum of digits gives 12471830.

It is a congruent number.

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, 89015 + ... + 89154.

It is an arithmetic number, because the mean of its divisors is an integer number (1603530).

Almost surely, 2^12471830 is an apocalyptic number.

12471830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12471830 is an abundant number, since it is smaller than the sum of its proper divisors (13184650).

12471830 is a wasteful number, since it uses less digits than its factorization.

12471830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178183.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12471830 is about 3531.5478192996. The cubic root of 12471830 is about 231.9049724771.

The spelling of 12471830 in words is "twelve million, four hundred seventy-one thousand, eight hundred thirty".