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12741234 = 2311712719
BaseRepresentation
bin110000100110…
…101001110010
3212222022200120
4300212221302
511230204414
61133031110
7213204312
oct60465162
925868616
1012741234
117212750
124325496
1328414bc
141999442
1511ba2a9
hexc26a72

12741234 has 32 divisors (see below), whose sum is σ = 28200960. Its totient is φ = 3805200.

The previous prime is 12741233. The next prime is 12741259. The reversal of 12741234 is 43214721.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12741233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3327 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 212741234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12741234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14100480).

12741234 is an abundant number, since it is smaller than the sum of its proper divisors (15459726).

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

12741234 is a wasteful number, since it uses less digits than its factorization.

12741234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its digits is 1344, while the sum is 24.

The square root of 12741234 is about 3569.4865176941. The cubic root of 12741234 is about 233.5628847527.

Adding to 12741234 its reverse (43214721), we get a palindrome (55955955).

The spelling of 12741234 in words is "twelve million, seven hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1562 2343 2719 4686 5438 8157 16314 29909 59818 89727 179454 193049 386098 579147 1158294 2123539 4247078 6370617 12741234