Search a number
-
+
12680922 = 233179863
BaseRepresentation
bin110000010111…
…111011011010
3212212020221210
4300113323122
511221242142
61131443550
7212533422
oct60277332
925766853
1012680922
117181401
1242b65b6
13281cc07
141981482
1511a749c
hexc17eda

12680922 has 32 divisors (see below), whose sum is σ = 26542080. Its totient is φ = 4034160.

The previous prime is 12680909. The next prime is 12680933. The reversal of 12680922 is 22908621.

It is a self number, because there is not a number n which added to its sum of digits gives 12680922.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14263 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 212680922 is an apocalyptic number.

12680922 is an abundant number, since it is smaller than the sum of its proper divisors (13861158).

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

12680922 is a wasteful number, since it uses less digits than its factorization.

12680922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12680922 is about 3561.0282222976. The cubic root of 12680922 is about 233.1937700546.

The spelling of 12680922 in words is "twelve million, six hundred eighty thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 31 62 79 93 158 186 237 474 863 1726 2449 2589 4898 5178 7347 14694 26753 53506 68177 80259 136354 160518 204531 409062 2113487 4226974 6340461 12680922