12804380 has 12 divisors (see below), whose sum is σ = 26889240. Its totient is φ = 5121744.

The previous prime is 12804377. The next prime is 12804397. The reversal of 12804380 is 8340821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320090 + ... + 320129.

It is an arithmetic number, because the mean of its divisors is an integer number (2240770).

Almost surely, 2^12804380 is an apocalyptic number.

12804380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12804380 is an abundant number, since it is smaller than the sum of its proper divisors (14084860).

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

12804380 is a wasteful number, since it uses less digits than its factorization.

12804380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640228 (or 640226 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12804380 is about 3578.3208352522. The cubic root of 12804380 is about 233.9480976761.

The spelling of 12804380 in words is "twelve million, eight hundred four thousand, three hundred eighty".