Search a number
-
+
12580466 = 217413613
BaseRepresentation
bin101111111111…
…011001110010
3212200011011012
4233333121302
511210033331
61125350522
7211634513
oct57773162
925604135
1012580466
117112988
124268442
1327b6282
141956a0a
15118782b
hexbff672

12580466 has 8 divisors (see below), whose sum is σ = 18886764. Its totient is φ = 6284880.

The previous prime is 12580439. The next prime is 12580483. The reversal of 12580466 is 66408521.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 5929225 = 2579^2 + 2435^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676 + ... + 5288.

Almost surely, 212580466 is an apocalyptic number.

12580466 is a deficient number, since it is larger than the sum of its proper divisors (6306298).

12580466 is a wasteful number, since it uses less digits than its factorization.

12580466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12580466 is about 3546.8952620567. The cubic root of 12580466 is about 232.5763637084.

Adding to 12580466 its reverse (66408521), we get a palindrome (78988987).

The spelling of 12580466 in words is "twelve million, five hundred eighty thousand, four hundred sixty-six".

Divisors: 1 2 1741 3482 3613 7226 6290233 12580466