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12011425 = 526771101
BaseRepresentation
bin101101110100…
…011110100001
3211121020120121
4231310132201
511033331200
61105240241
7204044506
oct55643641
924536517
1012011425
1168643a8
124033081
13264726a
1418494ad
1510c3e1a
hexb747a1

12011425 has 24 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 9240000.

The previous prime is 12011411. The next prime is 12011459. The reversal of 12011425 is 52411021.

It is not a de Polignac number, because 12011425 - 25 = 12011393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011399 and 12011408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118875 + ... + 118975.

It is an arithmetic number, because the mean of its divisors is an integer number (645048).

Almost surely, 212011425 is an apocalyptic number.

It is an amenable number.

12011425 is a deficient number, since it is larger than the sum of its proper divisors (3469727).

12011425 is a wasteful number, since it uses less digits than its factorization.

12011425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12011425 is about 3465.7502795210. The cubic root of 12011425 is about 229.0154830210.

Adding to 12011425 its reverse (52411021), we get a palindrome (64422446).

The spelling of 12011425 in words is "twelve million, eleven thousand, four hundred twenty-five".

Divisors: 1 5 25 67 71 101 335 355 505 1675 1775 2525 4757 6767 7171 23785 33835 35855 118925 169175 179275 480457 2402285 12011425