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12530792 = 231566349
BaseRepresentation
bin101111110011…
…010001101000
3212120122000102
4233303101220
511201441132
61124324532
7211336631
oct57632150
925518012
1012530792
11708962a
124243748
132799791
141942888
151177c62
hexbf3468

12530792 has 8 divisors (see below), whose sum is σ = 23495250. Its totient is φ = 6265392.

The previous prime is 12530783. The next prime is 12530797. The reversal of 12530792 is 29703521.

It can be written as a sum of positive squares in only one way, i.e., 10719076 + 1811716 = 3274^2 + 1346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12530797) by changing a digit.

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 as a sum of consecutive naturals, namely, 783167 + ... + 783182.

Almost surely, 212530792 is an apocalyptic number.

It is an amenable number.

12530792 is a deficient number, since it is larger than the sum of its proper divisors (10964458).

12530792 is a wasteful number, since it uses less digits than its factorization.

12530792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566355 (or 1566351 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12530792 is about 3539.8858738666. The cubic root of 12530792 is about 232.2698504888.

The spelling of 12530792 in words is "twelve million, five hundred thirty thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 1566349 3132698 6265396 12530792