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12548413 is a prime number
BaseRepresentation
bin101111110111…
…100100111101
3212121112012001
4233313210331
511203022123
61124542301
7211442203
oct57674475
925545161
1012548413
1170a0899
124251991
1327a47c7
141949073
15117d0ad
hexbf793d

12548413 has 2 divisors, whose sum is σ = 12548414. Its totient is φ = 12548412.

The previous prime is 12548411. The next prime is 12548423. The reversal of 12548413 is 31484521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 1776889 = 3282^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 12548413 - 21 = 12548411 is a prime.

Together with 12548411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12548411) 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, 6274206 + 6274207.

It is an arithmetic number, because the mean of its divisors is an integer number (6274207).

Almost surely, 212548413 is an apocalyptic number.

It is an amenable number.

12548413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548413 is an equidigital number, since it uses as much as digits as its factorization.

12548413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 12548413 is about 3542.3739215391. The cubic root of 12548413 is about 232.3786733540.

The spelling of 12548413 in words is "twelve million, five hundred forty-eight thousand, four hundred thirteen".