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12513101 is a prime number
BaseRepresentation
bin101111101110…
…111101001101
3212112201202012
4233232331031
511200404401
61124111005
7211234226
oct57567515
925481665
1012513101
117077307
124235465
132791703
14193a24d
1511728bb
hexbeef4d

12513101 has 2 divisors, whose sum is σ = 12513102. Its totient is φ = 12513100.

The previous prime is 12513049. The next prime is 12513157. The reversal of 12513101 is 10131521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7695076 + 4818025 = 2774^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 12513101 - 210 = 12512077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513401) 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, 6256550 + 6256551.

It is an arithmetic number, because the mean of its divisors is an integer number (6256551).

Almost surely, 212513101 is an apocalyptic number.

It is an amenable number.

12513101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513101 is an equidigital number, since it uses as much as digits as its factorization.

12513101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12513101 is about 3537.3861819146. The cubic root of 12513101 is about 232.1604926450.

Adding to 12513101 its reverse (10131521), we get a palindrome (22644622).

The spelling of 12513101 in words is "twelve million, five hundred thirteen thousand, one hundred one".