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12052331 is a prime number
BaseRepresentation
bin101101111110…
…011101101011
3211200022200122
4231332131223
511041133311
61110153455
7204304664
oct55763553
924608618
1012052331
116892105
12405288b
13265ca75
14185a36b
1510d10db
hexb7e76b

12052331 has 2 divisors, whose sum is σ = 12052332. Its totient is φ = 12052330.

The previous prime is 12052307. The next prime is 12052333. The reversal of 12052331 is 13325021.

It is a strong prime.

It is an emirp because it is prime and its reverse (13325021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12052331 - 222 = 7858027 is a prime.

It is a super-2 number, since 2×120523312 = 290517365067122, which contains 22 as substring.

Together with 12052333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12052333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026165 + 6026166.

It is an arithmetic number, because the mean of its divisors is an integer number (6026166).

Almost surely, 212052331 is an apocalyptic number.

12052331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12052331 is an equidigital number, since it uses as much as digits as its factorization.

12052331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12052331 is about 3471.6467274191. The cubic root of 12052331 is about 229.2751661359.

Adding to 12052331 its reverse (13325021), we get a palindrome (25377352).

The spelling of 12052331 in words is "twelve million, fifty-two thousand, three hundred thirty-one".