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12022797 = 34007599
BaseRepresentation
bin101101110111…
…010000001101
3211121211011210
4231313100031
511034212142
61105405033
7204122613
oct55672015
924554153
1012022797
1168719a6
124039779
13264c4a7
14184d6b3
1510c749c
hexb7740d

12022797 has 4 divisors (see below), whose sum is σ = 16030400. Its totient is φ = 8015196.

The previous prime is 12022789. The next prime is 12022807. The reversal of 12022797 is 79722021.

It is a happy number.

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.

It is not a de Polignac number, because 12022797 - 23 = 12022789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022727) 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, 2003797 + ... + 2003802.

It is an arithmetic number, because the mean of its divisors is an integer number (4007600).

Almost surely, 212022797 is an apocalyptic number.

It is an amenable number.

12022797 is a deficient number, since it is larger than the sum of its proper divisors (4007603).

12022797 is an equidigital number, since it uses as much as digits as its factorization.

12022797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007602.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12022797 is about 3467.3905173776. The cubic root of 12022797 is about 229.0877348589.

The spelling of 12022797 in words is "twelve million, twenty-two thousand, seven hundred ninety-seven".

Divisors: 1 3 4007599 12022797