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12554233 is a prime number
BaseRepresentation
bin101111111000…
…111111111001
3212121211011121
4233320333321
511203213413
61125025241
7211465156
oct57707771
925554147
1012554233
1170a51aa
124255221
1327a7353
14194b22d
15117eb8d
hexbf8ff9

12554233 has 2 divisors, whose sum is σ = 12554234. Its totient is φ = 12554232.

The previous prime is 12554221. The next prime is 12554249. The reversal of 12554233 is 33245521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 1617984 = 3307^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 12554233 - 217 = 12423161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12554198 and 12554207.

It is not a weakly prime, because it can be changed into another prime (12554533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277116 + 6277117.

It is an arithmetic number, because the mean of its divisors is an integer number (6277117).

Almost surely, 212554233 is an apocalyptic number.

It is an amenable number.

12554233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554233 is an equidigital number, since it uses as much as digits as its factorization.

12554233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 12554233 is about 3543.1953093218. The cubic root of 12554233 is about 232.4145938284.

Adding to 12554233 its reverse (33245521), we get a palindrome (45799754).

The spelling of 12554233 in words is "twelve million, five hundred fifty-four thousand, two hundred thirty-three".