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12630769 is a prime number
BaseRepresentation
bin110000001011…
…101011110001
3212202201011021
4300023223301
511213141034
61130415441
7212234254
oct60135361
925681137
1012630769
117147758
124291581
132803138
14196b09b
1511976b4
hexc0baf1

12630769 has 2 divisors, whose sum is σ = 12630770. Its totient is φ = 12630768.

The previous prime is 12630767. The next prime is 12630799. The reversal of 12630769 is 96703621.

12630769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 345744 = 3505^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 12630769 - 21 = 12630767 is a prime.

It is a super-2 number, since 2×126307692 = 319072651062722, which contains 22 as substring.

Together with 12630767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12630767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315384 + 6315385.

It is an arithmetic number, because the mean of its divisors is an integer number (6315385).

Almost surely, 212630769 is an apocalyptic number.

It is an amenable number.

12630769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12630769 is an equidigital number, since it uses as much as digits as its factorization.

12630769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 12630769 is about 3553.9793190169. The cubic root of 12630769 is about 232.8859370360.

The spelling of 12630769 in words is "twelve million, six hundred thirty thousand, seven hundred sixty-nine".