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12250065 = 355471493
BaseRepresentation
bin101110101110…
…101111010001
3212001100221010
4232232233101
511114000230
61114321133
7206060322
oct56565721
925040833
1012250065
116a07723
1241291a9
1326cba79
1418ac449
15111e9b0
hexbaebd1

12250065 has 16 divisors (see below), whose sum is σ = 19649088. Its totient is φ = 6517056.

The previous prime is 12250061. The next prime is 12250097. The reversal of 12250065 is 56005221.

It is not a de Polignac number, because 12250065 - 22 = 12250061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12250061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7459 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (1228068).

Almost surely, 212250065 is an apocalyptic number.

12250065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12250065 is a deficient number, since it is larger than the sum of its proper divisors (7399023).

12250065 is a wasteful number, since it uses less digits than its factorization.

12250065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12250065 is about 3500.0092857020. The cubic root of 12250065 is about 230.5222223279.

Adding to 12250065 its reverse (56005221), we get a palindrome (68255286).

The spelling of 12250065 in words is "twelve million, two hundred fifty thousand, sixty-five".

Divisors: 1 3 5 15 547 1493 1641 2735 4479 7465 8205 22395 816671 2450013 4083355 12250065