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12636852 = 2231053071
BaseRepresentation
bin110000001101…
…001010110100
3212210000111120
4300031022310
511213334402
61130503540
7212261064
oct60151264
925700446
1012636852
117151288
124294bb0
132805b37
14196d3a4
1511993bc
hexc0d2b4

12636852 has 12 divisors (see below), whose sum is σ = 29486016. Its totient is φ = 4212280.

The previous prime is 12636847. The next prime is 12636853. The reversal of 12636852 is 25863621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526524 + ... + 526547.

It is an arithmetic number, because the mean of its divisors is an integer number (2457168).

Almost surely, 212636852 is an apocalyptic number.

12636852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12636852 is an abundant number, since it is smaller than the sum of its proper divisors (16849164).

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

12636852 is a wasteful number, since it uses less digits than its factorization.

12636852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053078 (or 1053076 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12636852 is about 3554.8350172687. The cubic root of 12636852 is about 232.9233171247.

The spelling of 12636852 in words is "twelve million, six hundred thirty-six thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 1053071 2106142 3159213 4212284 6318426 12636852