Search a number
-
+
12875814 = 2337231481
BaseRepresentation
bin110001000111…
…100000100110
3220020011022000
4301013200212
511244011224
61135550130
7214304550
oct61074046
926204260
1012875814
1172a4876
12438b346
13288a833
1419d24d0
1511e50c9
hexc47826

12875814 has 64 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 3516480.

The previous prime is 12875803. The next prime is 12875839. The reversal of 12875814 is 41857821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7954 + ... + 9434.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 212875814 is an apocalyptic number.

12875814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12875814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072640).

12875814 is an abundant number, since it is smaller than the sum of its proper divisors (21269466).

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

12875814 is a wasteful number, since it uses less digits than its factorization.

12875814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1516 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 12875814 is about 3588.2884499438. The cubic root of 12875814 is about 234.3823466497.

It can be divided in two parts, 12875 and 814, that added together give a square (13689 = 1172).

The spelling of 12875814 in words is "twelve million, eight hundred seventy-five thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 54 63 69 126 138 161 189 207 322 378 414 483 621 966 1242 1449 1481 2898 2962 4347 4443 8694 8886 10367 13329 20734 26658 31101 34063 39987 62202 68126 79974 93303 102189 186606 204378 238441 279909 306567 476882 559818 613134 715323 919701 1430646 1839402 2145969 4291938 6437907 12875814