Search a number
-
+
12606986 = 277691171
BaseRepresentation
bin110000000101…
…111000001010
3212201111112102
4300011320022
511211410421
61130113402
7212105030
oct60057012
925644472
1012606986
1171308a7
12427b862
1327c5372
141962550
15119060b
hexc05e0a

12606986 has 16 divisors (see below), whose sum is σ = 21658560. Its totient is φ = 5391360.

The previous prime is 12606961. The next prime is 12606989. The reversal of 12606986 is 68960621.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12606989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10181 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (1353660).

Almost surely, 212606986 is an apocalyptic number.

12606986 is a deficient number, since it is larger than the sum of its proper divisors (9051574).

12606986 is a wasteful number, since it uses less digits than its factorization.

12606986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 12606986 is about 3550.6317747691. The cubic root of 12606986 is about 232.7396749927.

The spelling of 12606986 in words is "twelve million, six hundred six thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 769 1171 1538 2342 5383 8197 10766 16394 900499 1800998 6303493 12606986