Search a number
-
+
12805252 = 2219916087
BaseRepresentation
bin110000110110…
…010010000100
3220002120111121
4300312102010
511234232002
61134243324
7213562045
oct60662204
926076447
1012805252
117256859
124356544
132864695
1419b48cc
1511ce237
hexc36484

12805252 has 12 divisors (see below), whose sum is σ = 22523200. Its totient is φ = 6370056.

The previous prime is 12805237. The next prime is 12805279. The reversal of 12805252 is 25250821.

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, 7248 + ... + 8839.

Almost surely, 212805252 is an apocalyptic number.

It is an amenable number.

12805252 is a deficient number, since it is larger than the sum of its proper divisors (9717948).

12805252 is a wasteful number, since it uses less digits than its factorization.

12805252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290 (or 16288 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12805252 is about 3578.4426780375. The cubic root of 12805252 is about 233.9534083097.

The spelling of 12805252 in words is "twelve million, eight hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 199 398 796 16087 32174 64348 3201313 6402626 12805252