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12456253 is a prime number
BaseRepresentation
bin101111100001…
…000100111101
3212102211202201
4233201010331
511142100003
61122551501
7210606415
oct57410475
925384681
1012456253
117038627
124208591
132771884
141923645
151160b1d
hexbe113d

12456253 has 2 divisors, whose sum is σ = 12456254. Its totient is φ = 12456252.

The previous prime is 12456221. The next prime is 12456281. The reversal of 12456253 is 35265421.

It is an a-pointer prime, because the next prime (12456281) can be obtained adding 12456253 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 2229049 = 3198^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 12456253 - 25 = 12456221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12451253) 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 as a sum of consecutive naturals, namely, 6228126 + 6228127.

It is an arithmetic number, because the mean of its divisors is an integer number (6228127).

Almost surely, 212456253 is an apocalyptic number.

It is an amenable number.

12456253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12456253 is an equidigital number, since it uses as much as digits as its factorization.

12456253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 12456253 is about 3529.3417233246. The cubic root of 12456253 is about 231.8083844402.

The spelling of 12456253 in words is "twelve million, four hundred fifty-six thousand, two hundred fifty-three".