Search a number
-
+
12647260 = 225632363
BaseRepresentation
bin110000001111…
…101101011100
3212210112210001
4300033231130
511214203020
61131024044
7212333323
oct60175534
925715701
1012647260
11715908a
12429b024
13280a7b2
1419730ba
15119c50a
hexc0fb5c

12647260 has 12 divisors (see below), whose sum is σ = 26559288. Its totient is φ = 5058896.

The previous prime is 12647251. The next prime is 12647279. The reversal of 12647260 is 6274621.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 316162 + ... + 316201.

It is an arithmetic number, because the mean of its divisors is an integer number (2213274).

Almost surely, 212647260 is an apocalyptic number.

12647260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12647260 is an abundant number, since it is smaller than the sum of its proper divisors (13912028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12647260 is a wasteful number, since it uses less digits than its factorization.

12647260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632372 (or 632370 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12647260 is about 3556.2986376287. The cubic root of 12647260 is about 232.9872465650.

The spelling of 12647260 in words is "twelve million, six hundred forty-seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 632363 1264726 2529452 3161815 6323630 12647260