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12536825 = 527711009
BaseRepresentation
bin101111110100…
…101111111001
3212120221021212
4233310233321
511202134300
61124412505
7211363340
oct57645771
925527255
1012536825
117093114
124247135
13279c452
141944b57
151179935
hexbf4bf9

12536825 has 24 divisors (see below), whose sum is σ = 18034560. Its totient is φ = 8467200.

The previous prime is 12536809. The next prime is 12536861. The reversal of 12536825 is 52863521.

It is not a de Polignac number, because 12536825 - 24 = 12536809 is a prime.

It is a super-3 number, since 3×125368253 (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12536791 and 12536800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11921 + ... + 12929.

It is an arithmetic number, because the mean of its divisors is an integer number (751440).

Almost surely, 212536825 is an apocalyptic number.

It is an amenable number.

12536825 is a deficient number, since it is larger than the sum of its proper divisors (5497735).

12536825 is a wasteful number, since it uses less digits than its factorization.

12536825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 12536825 is about 3540.7379174404. The cubic root of 12536825 is about 232.3071202582.

The spelling of 12536825 in words is "twelve million, five hundred thirty-six thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 71 175 355 497 1009 1775 2485 5045 7063 12425 25225 35315 71639 176575 358195 501473 1790975 2507365 12536825