12579930 has 96 divisors (see below), whose sum is σ = 36324288. Its totient is φ = 2995200.

The previous prime is 12579929. The next prime is 12579947. The reversal of 12579930 is 3997521.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95965 + ... + 96095.

It is an arithmetic number, because the mean of its divisors is an integer number (378378).

Almost surely, 2^12579930 is an apocalyptic number.

12579930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12579930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18162144).

12579930 is an abundant number, since it is smaller than the sum of its proper divisors (23744358).

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

12579930 is a wasteful number, since it uses less digits than its factorization.

12579930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12579930 is about 3546.8197022121. The cubic root of 12579930 is about 232.5730606326.

The spelling of 12579930 in words is "twelve million, five hundred seventy-nine thousand, nine hundred thirty".