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12960667 = 50925463
BaseRepresentation
bin110001011100…
…001110011011
3220101110200201
4301130032123
511304220132
61141443031
7215110126
oct61341633
926343621
1012960667
1173525a5
124410477
1328ba345
141a153bd
1512102e7
hexc5c39b

12960667 has 4 divisors (see below), whose sum is σ = 12986640. Its totient is φ = 12934696.

The previous prime is 12960653. The next prime is 12960677. The reversal of 12960667 is 76606921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12960667 - 27 = 12960539 is a prime.

It is a super-3 number, since 3×129606673 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12960617) 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 3 ways as a sum of consecutive naturals, for example, 12223 + ... + 13240.

It is an arithmetic number, because the mean of its divisors is an integer number (3246660).

Almost surely, 212960667 is an apocalyptic number.

12960667 is a deficient number, since it is larger than the sum of its proper divisors (25973).

12960667 is an equidigital number, since it uses as much as digits as its factorization.

12960667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25972.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 12960667 is about 3600.0926376970. The cubic root of 12960667 is about 234.8960880564.

The spelling of 12960667 in words is "twelve million, nine hundred sixty thousand, six hundred sixty-seven".

Divisors: 1 509 25463 12960667