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12709699 = 67189697
BaseRepresentation
bin110000011110…
…111101000011
3212220201102121
4300132331003
511223202244
61132225111
7213013342
oct60367503
925821377
1012709699
1171a0a92
12430b197
132830042
14198bb59
1511b0c84
hexc1ef43

12709699 has 4 divisors (see below), whose sum is σ = 12899464. Its totient is φ = 12519936.

The previous prime is 12709681. The next prime is 12709709. The reversal of 12709699 is 99690721.

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 12709699 - 25 = 12709667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12709679) 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, 94782 + ... + 94915.

It is an arithmetic number, because the mean of its divisors is an integer number (3224866).

Almost surely, 212709699 is an apocalyptic number.

12709699 is a deficient number, since it is larger than the sum of its proper divisors (189765).

12709699 is an equidigital number, since it uses as much as digits as its factorization.

12709699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189764.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 12709699 is about 3565.0664790436. The cubic root of 12709699 is about 233.3700334563.

The spelling of 12709699 in words is "twelve million, seven hundred nine thousand, six hundred ninety-nine".

Divisors: 1 67 189697 12709699