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12613291 is a prime number
BaseRepresentation
bin110000000111…
…011010101011
3212201211011221
4300013122223
511212111131
61130202511
7212132305
oct60073253
925654157
1012613291
117135609
124283437
1327c81b2
141964975
151192411
hexc076ab

12613291 has 2 divisors, whose sum is σ = 12613292. Its totient is φ = 12613290.

The previous prime is 12613243. The next prime is 12613301. The reversal of 12613291 is 19231621.

12613291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12613291 - 217 = 12482219 is a prime.

It is not a weakly prime, because it can be changed into another prime (12613241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306645 + 6306646.

It is an arithmetic number, because the mean of its divisors is an integer number (6306646).

Almost surely, 212613291 is an apocalyptic number.

12613291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613291 is an equidigital number, since it uses as much as digits as its factorization.

12613291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 12613291 is about 3551.5195339460. The cubic root of 12613291 is about 232.7784677459.

The spelling of 12613291 in words is "twelve million, six hundred thirteen thousand, two hundred ninety-one".