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12289963 = 717139743
BaseRepresentation
bin101110111000…
…011110101011
3212010101122211
4232320132223
511121234323
61115225551
7206314540
oct56703653
925111584
1012289963
116a346a4
1241482b7
132713c8a
1418bcbc7
15112b70d
hexbb87ab

12289963 has 16 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 9830016.

The previous prime is 12289943. The next prime is 12289999. The reversal of 12289963 is 36998221.

It is a happy number.

It is not a de Polignac number, because 12289963 - 25 = 12289931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12289943) 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, 16170 + ... + 16912.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 212289963 is an apocalyptic number.

12289963 is a deficient number, since it is larger than the sum of its proper divisors (2709077).

12289963 is a wasteful number, since it uses less digits than its factorization.

12289963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 46656, while the sum is 40.

The square root of 12289963 is about 3505.7043514820. The cubic root of 12289963 is about 230.7722185112.

The spelling of 12289963 in words is "twelve million, two hundred eighty-nine thousand, nine hundred sixty-three".

Divisors: 1 7 17 119 139 743 973 2363 5201 12631 16541 88417 103277 722939 1755709 12289963