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12530124 = 22322337409
BaseRepresentation
bin101111110011…
…000111001100
3212120121002200
4233303013030
511201430444
61124321500
7211334655
oct57630714
925517080
1012530124
117089082
124243290
132799399
14194252c
151177969
hexbf31cc

12530124 has 72 divisors (see below), whose sum is σ = 34026720. Its totient is φ = 3877632.

The previous prime is 12530123. The next prime is 12530137. The reversal of 12530124 is 42103521.

12530124 is a `hidden beast` number, since 12 + 530 + 124 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12530097 and 12530106.

It is not an unprimeable number, because it can be changed into a prime (12530123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30432 + ... + 30840.

Almost surely, 212530124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12530124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17013360).

12530124 is an abundant number, since it is smaller than the sum of its proper divisors (21496596).

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

12530124 is a wasteful number, since it uses less digits than its factorization.

12530124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12530124 is about 3539.7915192847. The cubic root of 12530124 is about 232.2657230823.

Adding to 12530124 its reverse (42103521), we get a palindrome (54633645).

It can be divided in two parts, 1 and 2530124, that added together give a triangular number (2530125 = T2249).

The spelling of 12530124 in words is "twelve million, five hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 23 36 37 46 69 74 92 111 138 148 207 222 276 333 409 414 444 666 818 828 851 1227 1332 1636 1702 2454 2553 3404 3681 4908 5106 7362 7659 9407 10212 14724 15133 15318 18814 28221 30266 30636 37628 45399 56442 60532 84663 90798 112884 136197 169326 181596 272394 338652 348059 544788 696118 1044177 1392236 2088354 3132531 4176708 6265062 12530124