12788130 has 32 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 3292352.

The previous prime is 12788129. The next prime is 12788177. The reversal of 12788130 is 3188721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6480 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 2^12788130 is an apocalyptic number.

12788130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12788130 is an abundant number, since it is smaller than the sum of its proper divisors (18963870).

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

12788130 is a wasteful number, since it uses less digits than its factorization.

12788130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 12788130 is about 3576.0494963018. The cubic root of 12788130 is about 233.8490881719.

The spelling of 12788130 in words is "twelve million, seven hundred eighty-eight thousand, one hundred thirty".