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12043668 = 22371341269
BaseRepresentation
bin101101111100…
…010110010100
3211122212210210
4231330112110
511040344133
61110045420
7204240510
oct55742624
924585723
1012043668
11688664a
124049870
132658b40
141857140
1510cd763
hexb7c594

12043668 has 96 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 3087360.

The previous prime is 12043643. The next prime is 12043693. The reversal of 12043668 is 86634021.

It is an interprime number because it is at equal distance from previous prime (12043643) and next prime (12043693).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44638 + ... + 44906.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 212043668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12043668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).

12043668 is an abundant number, since it is smaller than the sum of its proper divisors (23518572).

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

12043668 is a wasteful number, since it uses less digits than its factorization.

12043668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12043668 is about 3470.3988243428. The cubic root of 12043668 is about 229.2202200059.

Adding to 12043668 its reverse (86634021), we get a palindrome (98677689).

The spelling of 12043668 in words is "twelve million, forty-three thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 41 42 52 78 82 84 91 123 156 164 182 246 269 273 287 364 492 533 538 546 574 807 861 1066 1076 1092 1148 1599 1614 1722 1883 2132 3198 3228 3444 3497 3731 3766 5649 6396 6994 7462 7532 10491 11029 11193 11298 13988 14924 20982 22058 22386 22596 24479 33087 41964 44116 44772 48958 66174 73437 77203 97916 132348 143377 146874 154406 231609 286754 293748 308812 430131 463218 573508 860262 926436 1003639 1720524 2007278 3010917 4014556 6021834 12043668