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12552769 is a prime number
BaseRepresentation
bin101111111000…
…101001000001
3212121202011101
4233320221001
511203142034
61125014401
7211460665
oct57705101
925552141
1012552769
1170a4099
124254401
1327a6798
14194a8a5
15117e514
hexbf8a41

12552769 has 2 divisors, whose sum is σ = 12552770. Its totient is φ = 12552768.

The previous prime is 12552751. The next prime is 12552773. The reversal of 12552769 is 96725521.

12552769 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 can be written as a sum of positive squares in only one way, i.e., 12341169 + 211600 = 3513^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 12552769 - 213 = 12544577 is a prime.

It is a super-2 number, since 2×125527692 = 315144019134722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12552719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276384 + 6276385.

It is an arithmetic number, because the mean of its divisors is an integer number (6276385).

Almost surely, 212552769 is an apocalyptic number.

It is an amenable number.

12552769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12552769 is an equidigital number, since it uses as much as digits as its factorization.

12552769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 12552769 is about 3542.9887101147. The cubic root of 12552769 is about 232.4055592079.

The spelling of 12552769 in words is "twelve million, five hundred fifty-two thousand, seven hundred sixty-nine".