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12494286 = 23271719307
BaseRepresentation
bin101111101010…
…010111001110
3212111202221100
4233222113032
511144304121
61123443530
7211125330
oct57522716
925452840
1012494286
117064162
1242265a6
132785c8c
141933450
15116c026
hexbea5ce

12494286 has 96 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 3172608.

The previous prime is 12494281. The next prime is 12494311. The reversal of 12494286 is 68249421.

It is a super-2 number, since 2×124942862 = 312214365299592, 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 12494286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40545 + ... + 40851.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 212494286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12494286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).

12494286 is an abundant number, since it is smaller than the sum of its proper divisors (22100274).

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

12494286 is a wasteful number, since it uses less digits than its factorization.

12494286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 355 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12494286 is about 3534.7257319345. The cubic root of 12494286 is about 232.0440735728.

The spelling of 12494286 in words is "twelve million, four hundred ninety-four thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 17 18 19 21 34 38 42 51 57 63 102 114 119 126 133 153 171 238 266 306 307 323 342 357 399 614 646 714 798 921 969 1071 1197 1842 1938 2142 2149 2261 2394 2763 2907 4298 4522 5219 5526 5814 5833 6447 6783 10438 11666 12894 13566 15657 17499 19341 20349 31314 34998 36533 38682 40698 40831 46971 52497 73066 81662 93942 99161 104994 109599 122493 198322 219198 244986 297483 328797 367479 594966 657594 694127 734958 892449 1388254 1784898 2082381 4164762 6247143 12494286