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12494790 = 2335711601
BaseRepresentation
bin101111101010…
…011111000110
3212111210122000
4233222133012
511144313130
61123450130
7211126650
oct57523706
925453560
1012494790
117064580
124226946
132786289
1419336d0
15116c260
hexbea7c6

12494790 has 128 divisors (see below), whose sum is σ = 41610240. Its totient is φ = 2592000.

The previous prime is 12494777. The next prime is 12494821. The reversal of 12494790 is 9749421.

It is a super-2 number, since 2×124947902 = 312239554288200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20490 + ... + 21090.

It is an arithmetic number, because the mean of its divisors is an integer number (325080).

Almost surely, 212494790 is an apocalyptic number.

12494790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12494790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20805120).

12494790 is an abundant number, since it is smaller than the sum of its proper divisors (29115450).

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

12494790 is a wasteful number, since it uses less digits than its factorization.

12494790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12494790 is about 3534.7970238756. The cubic root of 12494790 is about 232.0471936295.

The spelling of 12494790 in words is "twelve million, four hundred ninety-four thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 90 99 105 110 126 135 154 165 189 198 210 231 270 297 315 330 378 385 462 495 594 601 630 693 770 945 990 1155 1202 1386 1485 1803 1890 2079 2310 2970 3005 3465 3606 4158 4207 5409 6010 6611 6930 8414 9015 10395 10818 12621 13222 16227 18030 19833 20790 21035 25242 27045 32454 33055 37863 39666 42070 46277 54090 59499 63105 66110 75726 81135 92554 99165 113589 118998 126210 138831 162270 178497 189315 198330 227178 231385 277662 297495 356994 378630 416493 462770 567945 594990 694155 832986 892485 1135890 1249479 1388310 1784970 2082465 2498958 4164930 6247395 12494790