12487830 has 32 divisors (see below), whose sum is σ = 30137184. Its totient is φ = 3311616.

The previous prime is 12487829. The next prime is 12487831. The reversal of 12487830 is 3878421.

It is an interprime number because it is at equal distance from previous prime (12487829) and next prime (12487831).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12487791 and 12487800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487831) 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, 4854 + ... + 6966.

It is an arithmetic number, because the mean of its divisors is an integer number (941787).

Almost surely, 2^12487830 is an apocalyptic number.

12487830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12487830 is an abundant number, since it is smaller than the sum of its proper divisors (17649354).

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

12487830 is a wasteful number, since it uses less digits than its factorization.

12487830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 12487830 is about 3533.8123889080. The cubic root of 12487830 is about 232.0040997096.

The spelling of 12487830 in words is "twelve million, four hundred eighty-seven thousand, eight hundred thirty".