Search a number
-
+
12872246 = 2109137431
BaseRepresentation
bin110001000110…
…101000110110
3220012222101212
4301012220312
511243402441
61135521422
7214261262
oct61065066
926188355
1012872246
1172a2122
124389272
13288901a
1419d10a2
1511e3eeb
hexc46a36

12872246 has 16 divisors (see below), whose sum is σ = 19673280. Its totient is φ = 6315840.

The previous prime is 12872239. The next prime is 12872287. The reversal of 12872246 is 64227821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29651 + ... + 30081.

It is an arithmetic number, because the mean of its divisors is an integer number (1229580).

Almost surely, 212872246 is an apocalyptic number.

12872246 is a deficient number, since it is larger than the sum of its proper divisors (6801034).

12872246 is a wasteful number, since it uses less digits than its factorization.

12872246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 10752, while the sum is 32.

The square root of 12872246 is about 3587.7912425335. The cubic root of 12872246 is about 234.3606948543.

The spelling of 12872246 in words is "twelve million, eight hundred seventy-two thousand, two hundred forty-six".

Divisors: 1 2 109 137 218 274 431 862 14933 29866 46979 59047 93958 118094 6436123 12872246