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12530964 = 2231044247
BaseRepresentation
bin101111110011…
…010100010100
3212120122020210
4233303110110
511201442324
61124325420
7211340265
oct57632424
925518223
1012530964
117089776
124243870
132799894
14194296c
151177d29
hexbf3514

12530964 has 12 divisors (see below), whose sum is σ = 29238944. Its totient is φ = 4176984.

The previous prime is 12530941. The next prime is 12530971. The reversal of 12530964 is 46903521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 522112 + ... + 522135.

Almost surely, 212530964 is an apocalyptic number.

It is an amenable number.

12530964 is an abundant number, since it is smaller than the sum of its proper divisors (16707980).

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

12530964 is a wasteful number, since it uses less digits than its factorization.

12530964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044254 (or 1044252 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12530964 is about 3539.9101683517. The cubic root of 12530964 is about 232.2709132104.

The spelling of 12530964 in words is "twelve million, five hundred thirty thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 1044247 2088494 3132741 4176988 6265482 12530964