Search a number
-
+
12804394 = 212750411
BaseRepresentation
bin110000110110…
…000100101010
3220002112022211
4300312010222
511234220034
61134235334
7213556411
oct60660452
926075284
1012804394
117256149
124355b4a
132864185
1419b4478
1511cdd64
hexc3612a

12804394 has 8 divisors (see below), whose sum is σ = 19358208. Its totient is φ = 6351660.

The previous prime is 12804377. The next prime is 12804397. The reversal of 12804394 is 49340821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12804397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24952 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (2419776).

Almost surely, 212804394 is an apocalyptic number.

12804394 is a deficient number, since it is larger than the sum of its proper divisors (6553814).

12804394 is a wasteful number, since it uses less digits than its factorization.

12804394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50540.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12804394 is about 3578.3227914765. The cubic root of 12804394 is about 233.9481829405.

The spelling of 12804394 in words is "twelve million, eight hundred four thousand, three hundred ninety-four".

Divisors: 1 2 127 254 50411 100822 6402197 12804394