Search a number
-
+
12708104 = 231588513
BaseRepresentation
bin110000011110…
…100100001000
3212220122020112
4300132210020
511223124404
61132213452
7213005603
oct60364410
925818215
1012708104
11719a872
12430a288
13282c3b6
14198b33a
1511b056e
hexc1e908

12708104 has 8 divisors (see below), whose sum is σ = 23827710. Its totient is φ = 6354048.

The previous prime is 12708079. The next prime is 12708107. The reversal of 12708104 is 40180721.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 5428900 = 2698^2 + 2330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127081042 = 322991814549632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12708104.

It is not an unprimeable number, because it can be changed into a prime (12708107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794249 + ... + 794264.

Almost surely, 212708104 is an apocalyptic number.

It is an amenable number.

12708104 is a deficient number, since it is larger than the sum of its proper divisors (11119606).

12708104 is a wasteful number, since it uses less digits than its factorization.

12708104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588519 (or 1588515 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12708104 is about 3564.8427735315. The cubic root of 12708104 is about 233.3602708129.

Adding to 12708104 its reverse (40180721), we get a palindrome (52888825).

The spelling of 12708104 in words is "twelve million, seven hundred eight thousand, one hundred four".

Divisors: 1 2 4 8 1588513 3177026 6354052 12708104