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12944070 = 2335191251
BaseRepresentation
bin110001011000…
…001011000110
3220100121221000
4301120023012
511303202240
61141234130
7215010546
oct61301306
926317830
1012944070
117341087
124402946
1328b2919
141a0d326
15120a430
hexc582c6

12944070 has 64 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 3420000.

The previous prime is 12944053. The next prime is 12944093. The reversal of 12944070 is 7044921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 51445 + ... + 51695.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 212944070 is an apocalyptic number.

12944070 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 12944070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

12944070 is an abundant number, since it is smaller than the sum of its proper divisors (21892410).

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

12944070 is a wasteful number, since it uses less digits than its factorization.

12944070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12944070 is about 3597.7868196990. The cubic root of 12944070 is about 234.7957785151.

Adding to 12944070 its reverse (7044921), we get a palindrome (19988991).

The spelling of 12944070 in words is "twelve million, nine hundred forty-four thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 191 251 270 382 502 573 753 955 1146 1255 1506 1719 1910 2259 2510 2865 3438 3765 4518 5157 5730 6777 7530 8595 10314 11295 13554 17190 22590 25785 33885 47941 51570 67770 95882 143823 239705 287646 431469 479410 719115 862938 1294407 1438230 2157345 2588814 4314690 6472035 12944070