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12012648 = 233500527
BaseRepresentation
bin101101110100…
…110001101000
3211121022020220
4231310301220
511033401043
61105250040
7204051204
oct55646150
924538226
1012012648
11686530a
124033920
13264799b
141849b04
1510c4483
hexb74c68

12012648 has 16 divisors (see below), whose sum is σ = 30031680. Its totient is φ = 4004208.

The previous prime is 12012643. The next prime is 12012677. The reversal of 12012648 is 84621021.

12012648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 500527 = 12012648 / (1 + 2 + 0 + 1 + 2 + 6 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (12012643) 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, 250240 + ... + 250287.

It is an arithmetic number, because the mean of its divisors is an integer number (1876980).

Almost surely, 212012648 is an apocalyptic number.

It is an amenable number.

12012648 is an abundant number, since it is smaller than the sum of its proper divisors (18019032).

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

12012648 is a wasteful number, since it uses less digits than its factorization.

12012648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500536 (or 500532 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12012648 is about 3465.9267159015. The cubic root of 12012648 is about 229.0232555217.

Adding to 12012648 its reverse (84621021), we get a palindrome (96633669).

The spelling of 12012648 in words is "twelve million, twelve thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 500527 1001054 1501581 2002108 3003162 4004216 6006324 12012648