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12272263 is a prime number
BaseRepresentation
bin101110110100…
…001010000111
3212002111101021
4232310022013
511120203023
61115012011
7206212123
oct56641207
925074337
1012272263
116a22373
12413a007
132708bc3
1418b6583
15112635d
hexbb4287

12272263 has 2 divisors, whose sum is σ = 12272264. Its totient is φ = 12272262.

The previous prime is 12272261. The next prime is 12272269. The reversal of 12272263 is 36227221.

12272263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12272263 - 21 = 12272261 is a prime.

Together with 12272261, it forms a pair of twin primes.

It is equal to p804724 and since 12272263 and 804724 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136131 + 6136132.

It is an arithmetic number, because the mean of its divisors is an integer number (6136132).

Almost surely, 212272263 is an apocalyptic number.

12272263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272263 is an equidigital number, since it uses as much as digits as its factorization.

12272263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 12272263 is about 3503.1789848650. The cubic root of 12272263 is about 230.6613792637.

Adding to 12272263 its reverse (36227221), we get a palindrome (48499484).

The spelling of 12272263 in words is "twelve million, two hundred seventy-two thousand, two hundred sixty-three".