Search a number
-
+
12982708 = 223787721
BaseRepresentation
bin110001100001…
…100110110100
3220102120221001
4301201212310
511310421313
61142133044
7215231314
oct61414664
926376831
1012982708
117368112
124421184
1328c739b
141a1d444
151216add
hexc619b4

12982708 has 12 divisors (see below), whose sum is σ = 23334052. Its totient is φ = 6315840.

The previous prime is 12982703. The next prime is 12982709. The reversal of 12982708 is 80728921.

It can be written as a sum of positive squares in 2 ways, for example, as 8133904 + 4848804 = 2852^2 + 2202^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12982703) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43713 + ... + 44008.

Almost surely, 212982708 is an apocalyptic number.

It is an amenable number.

12982708 is a deficient number, since it is larger than the sum of its proper divisors (10351344).

12982708 is a wasteful number, since it uses less digits than its factorization.

12982708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87762 (or 87760 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12982708 is about 3603.1525085680. The cubic root of 12982708 is about 235.0291679504.

The spelling of 12982708 in words is "twelve million, nine hundred eighty-two thousand, seven hundred eight".

Divisors: 1 2 4 37 74 148 87721 175442 350884 3245677 6491354 12982708