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12125072 = 245871291
BaseRepresentation
bin101110010000…
…001110010000
3211211000110202
4232100032100
511101000242
61111514332
7205030031
oct56201620
924730422
1012125072
116931823
1240889a8
132686bcb
141878a88
1510e7932
hexb90390

12125072 has 20 divisors (see below), whose sum is σ = 23550576. Its totient is φ = 6047520.

The previous prime is 12125041. The next prime is 12125083. The reversal of 12125072 is 27052121.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8747 + ... + 10037.

Almost surely, 212125072 is an apocalyptic number.

It is an amenable number.

12125072 is a deficient number, since it is larger than the sum of its proper divisors (11425504).

12125072 is a wasteful number, since it uses less digits than its factorization.

12125072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12125072 is about 3482.1074078782. The cubic root of 12125072 is about 229.7354993427.

Adding to 12125072 its reverse (27052121), we get a palindrome (39177193).

The spelling of 12125072 in words is "twelve million, one hundred twenty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 587 1174 1291 2348 2582 4696 5164 9392 10328 20656 757817 1515634 3031268 6062536 12125072