Search a number
-
+
13061306 = 273137653
BaseRepresentation
bin110001110100…
…110010111010
3220120120202002
4301310302322
511320430211
61143541002
7216006416
oct61646272
926516662
1013061306
117411175
12445a762
1329240ab
141a3dd46
15123003b
hexc74cba

13061306 has 16 divisors (see below), whose sum is σ = 20035944. Its totient is φ = 6384384.

The previous prime is 13061291. The next prime is 13061311. The reversal of 13061306 is 60316031.

It can be written as a sum of positive squares in 4 ways, for example, as 10530025 + 2531281 = 3245^2 + 1591^2 .

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, 19676 + ... + 20328.

Almost surely, 213061306 is an apocalyptic number.

13061306 is a deficient number, since it is larger than the sum of its proper divisors (6974638).

13061306 is a wasteful number, since it uses less digits than its factorization.

13061306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13061306 is about 3614.0428885114. The cubic root of 13061306 is about 235.5025070242.

Adding to 13061306 its reverse (60316031), we get a palindrome (73377337).

The spelling of 13061306 in words is "thirteen million, sixty-one thousand, three hundred six".

Divisors: 1 2 73 137 146 274 653 1306 10001 20002 47669 89461 95338 178922 6530653 13061306