12809130 has 16 divisors (see below), whose sum is σ = 30741984. Its totient is φ = 3415760.

The previous prime is 12809129. The next prime is 12809131. The reversal of 12809130 is 3190821.

It is an interprime number because it is at equal distance from previous prime (12809129) and next prime (12809131).

It is a super-2 number, since 2×12809130² = 328147622713800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12809130.

It is not an unprimeable number, because it can be changed into a prime (12809131) 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 7 ways as a sum of consecutive naturals, for example, 213456 + ... + 213515.

It is an arithmetic number, because the mean of its divisors is an integer number (1921374).

Almost surely, 2^12809130 is an apocalyptic number.

12809130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12809130 is an abundant number, since it is smaller than the sum of its proper divisors (17932854).

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

12809130 is a wasteful number, since it uses less digits than its factorization.

12809130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426981.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12809130 is about 3578.9844928415. The cubic root of 12809130 is about 233.9770230927.

Adding to 12809130 its reverse (3190821), we get a palindrome (15999951).

The spelling of 12809130 in words is "twelve million, eight hundred nine thousand, one hundred thirty".