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12936969 = 33479147
BaseRepresentation
bin110001010110…
…011100001001
3220100021012000
4301112130021
511302440334
61141141213
7214651053
oct61263411
926307160
1012936969
117336811
1243ba809
1328ac616
141a0a8d3
151208299
hexc56709

12936969 has 8 divisors (see below), whose sum is σ = 19165920. Its totient is φ = 8624628.

The previous prime is 12936947. The next prime is 12936977. The reversal of 12936969 is 96963921.

It is a happy number.

It is not a de Polignac number, because 12936969 - 28 = 12936713 is a prime.

It is a super-2 number, since 2×129369692 = 334730333813922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12936919) 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 7 ways as a sum of consecutive naturals, for example, 239547 + ... + 239600.

It is an arithmetic number, because the mean of its divisors is an integer number (2395740).

Almost surely, 212936969 is an apocalyptic number.

It is an amenable number.

12936969 is a deficient number, since it is larger than the sum of its proper divisors (6228951).

12936969 is an equidigital number, since it uses as much as digits as its factorization.

12936969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479156 (or 479150 counting only the distinct ones).

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

The square root of 12936969 is about 3596.7998276246. The cubic root of 12936969 is about 234.7528350462.

The spelling of 12936969 in words is "twelve million, nine hundred thirty-six thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 479147 1437441 4312323 12936969