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12833040 = 2435114861
BaseRepresentation
bin110000111101…
…000100010000
3220010222121210
4300331010100
511241124130
61135020120
7214036053
oct60750420
926128553
1012833040
117275720
12436a640
13287421c
1419c0a9a
1511d75b0
hexc3d110

12833040 has 80 divisors (see below), whose sum is σ = 43407936. Its totient is φ = 3110400.

The previous prime is 12833033. The next prime is 12833053. The reversal of 12833040 is 4033821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12832998 and 12833016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 5070.

Almost surely, 212833040 is an apocalyptic number.

12833040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12833040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21703968).

12833040 is an abundant number, since it is smaller than the sum of its proper divisors (30574896).

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

12833040 is a wasteful number, since it uses less digits than its factorization.

12833040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888 (or 4882 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12833040 is about 3582.3232684949. The cubic root of 12833040 is about 234.1225160166.

Adding to 12833040 its reverse (4033821), we get a palindrome (16866861).

The spelling of 12833040 in words is "twelve million, eight hundred thirty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 4861 9722 14583 19444 24305 29166 38888 48610 53471 58332 72915 77776 97220 106942 116664 145830 160413 194440 213884 233328 267355 291660 320826 388880 427768 534710 583320 641652 802065 855536 1069420 1166640 1283304 1604130 2138840 2566608 3208260 4277680 6416520 12833040