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12012896 = 25753629
BaseRepresentation
bin101101110100…
…110101100000
3211121022121002
4231310311200
511033403041
61105251132
7204052010
oct55646540
924538532
1012012896
116865515
124033aa8
132647b2c
141849c40
1510c459b
hexb74d60

12012896 has 24 divisors (see below), whose sum is σ = 27029520. Its totient is φ = 5148288.

The previous prime is 12012893. The next prime is 12012907. The reversal of 12012896 is 69821021.

12012896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26591 + ... + 27038.

It is an arithmetic number, because the mean of its divisors is an integer number (1126230).

Almost surely, 212012896 is an apocalyptic number.

12012896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12012896 is an abundant number, since it is smaller than the sum of its proper divisors (15016624).

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

12012896 is an equidigital number, since it uses as much as digits as its factorization.

12012896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53646 (or 53638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12012896 is about 3465.9624925841. The cubic root of 12012896 is about 229.0248315655.

The spelling of 12012896 in words is "twelve million, twelve thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 53629 107258 214516 375403 429032 750806 858064 1501612 1716128 3003224 6006448 12012896