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12988852 = 226153233
BaseRepresentation
bin110001100011…
…000110110100
3220102220100121
4301203012310
511311120402
61142221324
7215255242
oct61430664
926386317
1012988852
117371798
124424844
1328ca116
141a21792
151218837
hexc631b4

12988852 has 12 divisors (see below), whose sum is σ = 23103556. Its totient is φ = 6387840.

The previous prime is 12988849. The next prime is 12988853. The reversal of 12988852 is 25888921.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 12574116 = 644^2 + 3546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12988799 and 12988808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26373 + ... + 26860.

Almost surely, 212988852 is an apocalyptic number.

It is an amenable number.

12988852 is a deficient number, since it is larger than the sum of its proper divisors (10114704).

12988852 is a wasteful number, since it uses less digits than its factorization.

12988852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53298 (or 53296 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 12988852 is about 3604.0049944471. The cubic root of 12988852 is about 235.0662375529.

The spelling of 12988852 in words is "twelve million, nine hundred eighty-eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 61 122 244 53233 106466 212932 3247213 6494426 12988852