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12642053 is a prime number
BaseRepresentation
bin110000001110…
…011100000101
3212210021122012
4300032130011
511214021203
61130544005
7212312204
oct60163405
925707565
1012642053
117155186
124298005
132808308
14197123b
15119abd8
hexc0e705

12642053 has 2 divisors, whose sum is σ = 12642054. Its totient is φ = 12642052.

The previous prime is 12642041. The next prime is 12642059. The reversal of 12642053 is 35024621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 124609 = 3538^2 + 353^2 .

It is an emirp because it is prime and its reverse (35024621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12642053 - 212 = 12637957 is a prime.

It is a Chen prime.

It is equal to p827402 and since 12642053 and 827402 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 (12642059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321026 + 6321027.

It is an arithmetic number, because the mean of its divisors is an integer number (6321027).

Almost surely, 212642053 is an apocalyptic number.

It is an amenable number.

12642053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642053 is an equidigital number, since it uses as much as digits as its factorization.

12642053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12642053 is about 3555.5664808860. The cubic root of 12642053 is about 232.9552678039.

Adding to 12642053 its reverse (35024621), we get a palindrome (47666674).

The spelling of 12642053 in words is "twelve million, six hundred forty-two thousand, fifty-three".