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12009792 = 26371881
BaseRepresentation
bin101101110100…
…000101000000
3211121011100010
4231310011000
511033303132
61105224520
7204036654
oct55640500
924534303
1012009792
116863153
124032140
1326465b2
141848a64
1510c36cc
hexb74140

12009792 has 56 divisors (see below), whose sum is σ = 32260032. Its totient is φ = 3942400.

The previous prime is 12009791. The next prime is 12009821. The reversal of 12009792 is 29790021.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009791) 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, 13192 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (576072).

Almost surely, 212009792 is an apocalyptic number.

12009792 is a gapful number since it is divisible by the number (12) 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 12009792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16130016).

12009792 is an abundant number, since it is smaller than the sum of its proper divisors (20250240).

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

12009792 is an equidigital number, since it uses as much as digits as its factorization.

12009792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 12009792 is about 3465.5146803902. The cubic root of 12009792 is about 229.0051040350.

The spelling of 12009792 in words is "twelve million, nine thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 71 96 142 192 213 284 426 568 852 881 1136 1704 1762 2272 2643 3408 3524 4544 5286 6816 7048 10572 13632 14096 21144 28192 42288 56384 62551 84576 125102 169152 187653 250204 375306 500408 750612 1000816 1501224 2001632 3002448 4003264 6004896 12009792