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12207060 = 2232573929
BaseRepresentation
bin101110100100…
…001111010100
3211222011221100
4232210033110
511111111220
61113350100
7205521045
oct56441724
924864840
1012207060
116988388
124108330
1326b5318
14189a8cc
151111d90
hexba43d4

12207060 has 72 divisors (see below), whose sum is σ = 37575720. Its totient is φ = 3207168.

The previous prime is 12207049. The next prime is 12207067. The reversal of 12207060 is 6070221.

It is a happy number.

12207060 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 can be written as a sum of positive squares in 4 ways, for example, as 12996 + 12194064 = 114^2 + 3492^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12676 + ... + 13604.

It is an arithmetic number, because the mean of its divisors is an integer number (521885).

Almost surely, 212207060 is an apocalyptic number.

12207060 is a gapful number since it is divisible by the number (10) 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 12207060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18787860).

12207060 is an abundant number, since it is smaller than the sum of its proper divisors (25368660).

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

12207060 is a wasteful number, since it uses less digits than its factorization.

12207060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12207060 is about 3493.8603292061. The cubic root of 12207060 is about 230.2521494280.

Adding to 12207060 its reverse (6070221), we get a palindrome (18277281).

The spelling of 12207060 in words is "twelve million, two hundred seven thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 657 730 876 929 1095 1314 1460 1858 2190 2628 2787 3285 3716 4380 4645 5574 6570 8361 9290 11148 13140 13935 16722 18580 27870 33444 41805 55740 67817 83610 135634 167220 203451 271268 339085 406902 610353 678170 813804 1017255 1220706 1356340 2034510 2441412 3051765 4069020 6103530 12207060