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12072575 = 522571879
BaseRepresentation
bin101110000011…
…011001111111
3211201100110102
4232003121333
511042310300
61110431315
7204421004
oct56033177
924640412
1012072575
1168a6339
12406253b
132669048
1418638ab
1510d70d5
hexb8367f

12072575 has 12 divisors (see below), whose sum is σ = 15036240. Its totient is φ = 9615360.

The previous prime is 12072553. The next prime is 12072589. The reversal of 12072575 is 57527021.

It is not a de Polignac number, because 12072575 - 222 = 7878271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5486 + ... + 7364.

It is an arithmetic number, because the mean of its divisors is an integer number (1253020).

Almost surely, 212072575 is an apocalyptic number.

12072575 is a deficient number, since it is larger than the sum of its proper divisors (2963665).

12072575 is a wasteful number, since it uses less digits than its factorization.

12072575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 12072575 is about 3474.5611233651. The cubic root of 12072575 is about 229.4034635908.

Adding to 12072575 its reverse (57527021), we get a palindrome (69599596).

The spelling of 12072575 in words is "twelve million, seventy-two thousand, five hundred seventy-five".

Divisors: 1 5 25 257 1285 1879 6425 9395 46975 482903 2414515 12072575