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12412928 = 211111929
BaseRepresentation
bin101111010110…
…100000000000
3212100122100002
4233112200000
511134203203
61122015132
7210336203
oct57264000
925318302
1012412928
117009020
1241a74a8
132757c38
14191193a
151152d88
hexbd6800

12412928 has 96 divisors (see below), whose sum is σ = 29484000. Its totient is φ = 5160960.

The previous prime is 12412921. The next prime is 12412949. The reversal of 12412928 is 82921421.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 12412928.

It is not an unprimeable number, because it can be changed into a prime (12412921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428018 + ... + 428046.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 212412928 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 12412928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14742000).

12412928 is an abundant number, since it is smaller than the sum of its proper divisors (17071072).

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

12412928 is a wasteful number, since it uses less digits than its factorization.

12412928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 61 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12412928 is about 3523.1985467754. The cubic root of 12412928 is about 231.5393157060.

The spelling of 12412928 in words is "twelve million, four hundred twelve thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 16 19 22 29 32 38 44 58 64 76 88 116 128 152 176 209 232 256 304 319 352 418 464 512 551 608 638 704 836 928 1024 1102 1216 1276 1408 1672 1856 2048 2204 2432 2552 2816 3344 3712 4408 4864 5104 5632 6061 6688 7424 8816 9728 10208 11264 12122 13376 14848 17632 19456 20416 22528 24244 26752 29696 35264 38912 40832 48488 53504 59392 70528 81664 96976 107008 141056 163328 193952 214016 282112 326656 387904 428032 564224 653312 775808 1128448 1551616 3103232 6206464 12412928