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12066648 = 2331145707
BaseRepresentation
bin101110000001…
…111101011000
3211201001022220
4232001331120
511042113043
61110344040
7204364506
oct56017530
924631286
1012066648
1168a1940
12405b020
132666439
141861676
1510d5483
hexb81f58

12066648 has 32 divisors (see below), whose sum is σ = 32909760. Its totient is φ = 3656480.

The previous prime is 12066641. The next prime is 12066667. The reversal of 12066648 is 84666021.

It is a happy number.

12066648 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 Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066641) 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, 22590 + ... + 23117.

It is an arithmetic number, because the mean of its divisors is an integer number (1028430).

Almost surely, 212066648 is an apocalyptic number.

It is an amenable number.

12066648 is an abundant number, since it is smaller than the sum of its proper divisors (20843112).

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

12066648 is a wasteful number, since it uses less digits than its factorization.

12066648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45727 (or 45723 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 12066648 is about 3473.7081051810. The cubic root of 12066648 is about 229.3659157631.

The spelling of 12066648 in words is "twelve million, sixty-six thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 45707 91414 137121 182828 274242 365656 502777 548484 1005554 1096968 1508331 2011108 3016662 4022216 6033324 12066648