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12430572 = 22371121223
BaseRepresentation
bin101111011010…
…110011101100
3212101112112120
4233122303230
511140234242
61122232540
7210441510
oct57326354
925345476
1012430572
117020300
1241b5750
132762c8b
141918140
1511581ec
hexbdacec

12430572 has 72 divisors (see below), whose sum is σ = 36465408. Its totient is φ = 3226080.

The previous prime is 12430559. The next prime is 12430591. The reversal of 12430572 is 27503421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9553 + ... + 10775.

It is an arithmetic number, because the mean of its divisors is an integer number (506464).

Almost surely, 212430572 is an apocalyptic number.

12430572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12430572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18232704).

12430572 is an abundant number, since it is smaller than the sum of its proper divisors (24034836).

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

12430572 is a wasteful number, since it uses less digits than its factorization.

12430572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12430572 is about 3525.7016322996. The cubic root of 12430572 is about 231.6489687381.

Adding to 12430572 its reverse (27503421), we get a palindrome (39933993).

The spelling of 12430572 in words is "twelve million, four hundred thirty thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 121 132 154 231 242 308 363 462 484 726 847 924 1223 1452 1694 2446 2541 3388 3669 4892 5082 7338 8561 10164 13453 14676 17122 25683 26906 34244 40359 51366 53812 80718 94171 102732 147983 161436 188342 282513 295966 376684 443949 565026 591932 887898 1035881 1130052 1775796 2071762 3107643 4143524 6215286 12430572