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12988849 is a prime number
BaseRepresentation
bin110001100011…
…000110110001
3220102220100111
4301203012301
511311120344
61142221321
7215255236
oct61430661
926386314
1012988849
117371795
124424841
1328ca113
141a2178d
151218834
hexc631b1

12988849 has 2 divisors, whose sum is σ = 12988850. Its totient is φ = 12988848.

The previous prime is 12988831. The next prime is 12988853. The reversal of 12988849 is 94888921.

12988849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 4809249 = 2860^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 12988849 - 211 = 12986801 is a prime.

It is not a weakly prime, because it can be changed into another prime (12988819) 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 as a sum of consecutive naturals, namely, 6494424 + 6494425.

It is an arithmetic number, because the mean of its divisors is an integer number (6494425).

Almost surely, 212988849 is an apocalyptic number.

It is an amenable number.

12988849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988849 is an equidigital number, since it uses as much as digits as its factorization.

12988849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 49.

The square root of 12988849 is about 3604.0045782435. The cubic root of 12988849 is about 235.0662194554.

The spelling of 12988849 in words is "twelve million, nine hundred eighty-eight thousand, eight hundred forty-nine".