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12969369 = 33729803
BaseRepresentation
bin110001011110…
…010110011001
3220101220122000
4301132112121
511310004434
61141551213
7215144400
oct61362631
926356560
1012969369
117359096
124415509
1328c12aa
141a18637
151212b99
hexc5e599

12969369 has 24 divisors (see below), whose sum is σ = 22353120. Its totient is φ = 7410312.

The previous prime is 12969329. The next prime is 12969371. The reversal of 12969369 is 96396921.

It is a happy number.

It is not a de Polignac number, because 12969369 - 212 = 12965273 is a prime.

It is a super-2 number, since 2×129693692 = 336409064516322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12969329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3579 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (931380).

Almost surely, 212969369 is an apocalyptic number.

It is an amenable number.

12969369 is a deficient number, since it is larger than the sum of its proper divisors (9383751).

12969369 is an equidigital number, since it uses as much as digits as its factorization.

12969369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9813 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 12969369 is about 3601.3010149111. The cubic root of 12969369 is about 234.9486472973.

The spelling of 12969369 in words is "twelve million, nine hundred sixty-nine thousand, three hundred sixty-nine".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 9803 29409 68621 88227 205863 264681 480347 617589 1441041 1852767 4323123 12969369