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12512953 is a prime number
BaseRepresentation
bin101111101110…
…111010111001
3212112201112201
4233232322321
511200403303
61124110201
7211233625
oct57567271
925481481
1012512953
117077192
124235361
13279161b
14193a185
15117281d
hexbeeeb9

12512953 has 2 divisors, whose sum is σ = 12512954. Its totient is φ = 12512952.

The previous prime is 12512947. The next prime is 12512959. The reversal of 12512953 is 35921521.

It is a balanced prime because it is at equal distance from previous prime (12512947) and next prime (12512959).

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 1774224 = 3277^2 + 1332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12512953 is a prime.

It is not a weakly prime, because it can be changed into another prime (12512959) 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, 6256476 + 6256477.

It is an arithmetic number, because the mean of its divisors is an integer number (6256477).

Almost surely, 212512953 is an apocalyptic number.

It is an amenable number.

12512953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512953 is an equidigital number, since it uses as much as digits as its factorization.

12512953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 12512953 is about 3537.3652624517. The cubic root of 12512953 is about 232.1595773406.

The spelling of 12512953 in words is "twelve million, five hundred twelve thousand, nine hundred fifty-three".