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12450761 is a prime number
BaseRepresentation
bin101111011111…
…101111001001
3212102120020022
4233133233021
511141411021
61122510225
7210554411
oct57375711
925376208
1012450761
117034494
124205375
13276c21b
141921641
15115e1ab
hexbdfbc9

12450761 has 2 divisors, whose sum is σ = 12450762. Its totient is φ = 12450760.

The previous prime is 12450733. The next prime is 12450787. The reversal of 12450761 is 16705421.

It is an a-pointer prime, because the next prime (12450787) can be obtained adding 12450761 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3924361 = 2920^2 + 1981^2 .

It is a cyclic number.

It is not a de Polignac number, because 12450761 - 210 = 12449737 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12450761.

It is not a weakly prime, because it can be changed into another prime (12450731) 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, 6225380 + 6225381.

It is an arithmetic number, because the mean of its divisors is an integer number (6225381).

Almost surely, 212450761 is an apocalyptic number.

It is an amenable number.

12450761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450761 is an equidigital number, since it uses as much as digits as its factorization.

12450761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12450761 is about 3528.5635887709. The cubic root of 12450761 is about 231.7743110905.

The spelling of 12450761 in words is "twelve million, four hundred fifty thousand, seven hundred sixty-one".