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12226373 = 31738569
BaseRepresentation
bin101110101000…
…111101000101
3212000011102122
4232220331011
511112220443
61114015325
7205631255
oct56507505
925004378
1012226373
1169a0945
124117545
1326c1053
1418a3965
151117968
hexba8f45

12226373 has 4 divisors (see below), whose sum is σ = 12265260. Its totient is φ = 12187488.

The previous prime is 12226351. The next prime is 12226381. The reversal of 12226373 is 37362221.

12226373 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 8392609 = 1958^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 12226373 - 26 = 12226309 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 (12226303) 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, 18968 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (3066315).

Almost surely, 212226373 is an apocalyptic number.

It is an amenable number.

12226373 is a deficient number, since it is larger than the sum of its proper divisors (38887).

12226373 is an equidigital number, since it uses as much as digits as its factorization.

12226373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38886.

The product of its digits is 3024, while the sum is 26.

The square root of 12226373 is about 3496.6230852066. The cubic root of 12226373 is about 230.3735140774.

Adding to 12226373 its reverse (37362221), we get a palindrome (49588594).

The spelling of 12226373 in words is "twelve million, two hundred twenty-six thousand, three hundred seventy-three".

Divisors: 1 317 38569 12226373