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12207000 = 2335313313
BaseRepresentation
bin101110100100…
…001110011000
3211222011212010
4232210032120
511111111000
61113345520
7205520631
oct56441630
924864763
1012207000
116988333
1241082a0
1326b52a0
14189a888
151111d50
hexba4398

12207000 has 128 divisors (see below), whose sum is σ = 41146560. Its totient is φ = 2995200.

The previous prime is 12206993. The next prime is 12207007. The reversal of 12207000 is 70221.

It is an interprime number because it is at equal distance from previous prime (12206993) and next prime (12207007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38844 + ... + 39156.

Almost surely, 212207000 is an apocalyptic number.

12207000 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 12207000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20573280).

12207000 is an abundant number, since it is smaller than the sum of its proper divisors (28939560).

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

12207000 is a wasteful number, since it uses less digits than its factorization.

12207000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 12207000 is about 3493.8517427046. The cubic root of 12207000 is about 230.2517721832.

Adding to 12207000 its reverse (70221), we get a palindrome (12277221).

The spelling of 12207000 in words is "twelve million, two hundred seven thousand".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 125 130 150 156 195 200 250 260 300 312 313 325 375 390 500 520 600 626 650 750 780 939 975 1000 1252 1300 1500 1560 1565 1625 1878 1950 2504 2600 3000 3130 3250 3756 3900 4069 4695 4875 6260 6500 7512 7800 7825 8138 9390 9750 12207 12520 13000 15650 16276 18780 19500 20345 23475 24414 31300 32552 37560 39000 39125 40690 46950 48828 61035 62600 78250 81380 93900 97656 101725 117375 122070 156500 162760 187800 203450 234750 244140 305175 313000 406900 469500 488280 508625 610350 813800 939000 1017250 1220700 1525875 2034500 2441400 3051750 4069000 6103500 12207000