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12620141 is a prime number
BaseRepresentation
bin110000001001…
…000101101101
3212202011120122
4300021011231
511212321031
61130254325
7212161262
oct60110555
925664518
1012620141
11713a776
1242873a5
1327cb351
141967269
15119447b
hexc0916d

12620141 has 2 divisors, whose sum is σ = 12620142. Its totient is φ = 12620140.

The previous prime is 12620119. The next prime is 12620143. The reversal of 12620141 is 14102621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 1094116 = 3395^2 + 1046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12620141 is a prime.

It is a Sophie Germain prime.

Together with 12620143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12620143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310070 + 6310071.

It is an arithmetic number, because the mean of its divisors is an integer number (6310071).

Almost surely, 212620141 is an apocalyptic number.

It is an amenable number.

12620141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620141 is an equidigital number, since it uses as much as digits as its factorization.

12620141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12620141 is about 3552.4837789918. The cubic root of 12620141 is about 232.8205990696.

Adding to 12620141 its reverse (14102621), we get a palindrome (26722762).

The spelling of 12620141 in words is "twelve million, six hundred twenty thousand, one hundred forty-one".