12809180 has 24 divisors (see below), whose sum is σ = 27110160. Its totient is φ = 5083520.

The previous prime is 12809149. The next prime is 12809191. The reversal of 12809180 is 8190821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (1129590).

Almost surely, 2^12809180 is an apocalyptic number.

12809180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12809180 is an abundant number, since it is smaller than the sum of its proper divisors (14300980).

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

12809180 is a wasteful number, since it uses less digits than its factorization.

12809180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 12809180 is about 3578.9914780564. The cubic root of 12809180 is about 233.9773275328.

The spelling of 12809180 in words is "twelve million, eight hundred nine thousand, one hundred eighty".