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12402253 is a prime number
BaseRepresentation
bin101111010011…
…111001001101
3212100002200201
4233103321031
511133333003
61121453501
7210263113
oct57237115
925302621
1012402253
117000aa6
1241a1291
132753116
14190bab3
15114eb1d
hexbd3e4d

12402253 has 2 divisors, whose sum is σ = 12402254. Its totient is φ = 12402252.

The previous prime is 12402251. The next prime is 12402259. The reversal of 12402253 is 35220421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 1630729 = 3282^2 + 1277^2 .

It is an emirp because it is prime and its reverse (35220421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12402253 - 21 = 12402251 is a prime.

Together with 12402251, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12402253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12402251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201126 + 6201127.

It is an arithmetic number, because the mean of its divisors is an integer number (6201127).

Almost surely, 212402253 is an apocalyptic number.

It is an amenable number.

12402253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402253 is an equidigital number, since it uses as much as digits as its factorization.

12402253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12402253 is about 3521.6832623051. The cubic root of 12402253 is about 231.4729228003.

Adding to 12402253 its reverse (35220421), we get a palindrome (47622674).

The spelling of 12402253 in words is "twelve million, four hundred two thousand, two hundred fifty-three".