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12296809 = 71756687
BaseRepresentation
bin101110111010…
…001001101001
3212010202001101
4232322021221
511121444214
61115321401
7206343520
oct56721151
925122041
1012296809
116a39858
124150261
132717125
1418c14b7
15112d774
hexbba269

12296809 has 4 divisors (see below), whose sum is σ = 14053504. Its totient is φ = 10540116.

The previous prime is 12296803. The next prime is 12296833. The reversal of 12296809 is 90869221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90869221 = 313290317.

It is a cyclic number.

It is not a de Polignac number, because 12296809 - 27 = 12296681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12296803) 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, 878337 + ... + 878350.

It is an arithmetic number, because the mean of its divisors is an integer number (3513376).

Almost surely, 212296809 is an apocalyptic number.

It is an amenable number.

12296809 is a deficient number, since it is larger than the sum of its proper divisors (1756695).

12296809 is an equidigital number, since it uses as much as digits as its factorization.

12296809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756694.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 12296809 is about 3506.6806241801. The cubic root of 12296809 is about 230.8150603366.

The spelling of 12296809 in words is "twelve million, two hundred ninety-six thousand, eight hundred nine".

Divisors: 1 7 1756687 12296809