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12869453 is a prime number
BaseRepresentation
bin110001000101…
…111101001101
3220012211120102
4301011331031
511243310303
61135500445
7214250162
oct61057515
926184512
1012869453
1172a0013
124387725
13288797c
1419d0069
1511e3288
hexc45f4d

12869453 has 2 divisors, whose sum is σ = 12869454. Its totient is φ = 12869452.

The previous prime is 12869429. The next prime is 12869473. The reversal of 12869453 is 35496821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7171684 + 5697769 = 2678^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 12869453 - 214 = 12853069 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12869413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434726 + 6434727.

It is an arithmetic number, because the mean of its divisors is an integer number (6434727).

Almost surely, 212869453 is an apocalyptic number.

It is an amenable number.

12869453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869453 is an equidigital number, since it uses as much as digits as its factorization.

12869453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 12869453 is about 3587.4019847238. The cubic root of 12869453 is about 234.3437432213.

The spelling of 12869453 in words is "twelve million, eight hundred sixty-nine thousand, four hundred fifty-three".