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12842885 = 511376311
BaseRepresentation
bin110000111111…
…011110000101
3220011111010102
4300333132011
511241433020
61135133445
7214106546
oct60773605
926144112
1012842885
117282060
124374285
132878853
1419c44cd
1511da475
hexc3f785

12842885 has 16 divisors (see below), whose sum is σ = 17269632. Its totient is φ = 9086400.

The previous prime is 12842861. The next prime is 12842887. The reversal of 12842885 is 58824821.

It is not a de Polignac number, because 12842885 - 26 = 12842821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12842887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (1079352).

Almost surely, 212842885 is an apocalyptic number.

It is an amenable number.

12842885 is a deficient number, since it is larger than the sum of its proper divisors (4426747).

12842885 is a wasteful number, since it uses less digits than its factorization.

12842885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its digits is 40960, while the sum is 38.

The square root of 12842885 is about 3583.6971133175. The cubic root of 12842885 is about 234.1823705536.

The spelling of 12842885 in words is "twelve million, eight hundred forty-two thousand, eight hundred eighty-five".

Divisors: 1 5 11 37 55 185 407 2035 6311 31555 69421 233507 347105 1167535 2568577 12842885