Search a number
-
+
12688314 = 2319111301
BaseRepresentation
bin110000011001…
…101110111010
3212212122002120
4300121232322
511222011224
61131542110
7212564112
oct60315672
925778076
1012688314
117186a11
1242ba936
1328233a2
141984042
1511a9779
hexc19bba

12688314 has 16 divisors (see below), whose sum is σ = 26712480. Its totient is φ = 4006800.

The previous prime is 12688303. The next prime is 12688343. The reversal of 12688314 is 41388621.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55537 + ... + 55764.

It is an arithmetic number, because the mean of its divisors is an integer number (1669530).

Almost surely, 212688314 is an apocalyptic number.

12688314 is an abundant number, since it is smaller than the sum of its proper divisors (14024166).

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

12688314 is a wasteful number, since it uses less digits than its factorization.

12688314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111325.

The product of its digits is 9216, while the sum is 33.

The square root of 12688314 is about 3562.0659735608. The cubic root of 12688314 is about 233.2390725838.

The spelling of 12688314 in words is "twelve million, six hundred eighty-eight thousand, three hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 111301 222602 333903 667806 2114719 4229438 6344157 12688314