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13127437 is a prime number
BaseRepresentation
bin110010000100…
…111100001101
3220200221110101
4302010330031
511330034222
61145211101
7216403261
oct62047415
926627411
1013127437
117456924
124490a91
13294821b
141a5a0a1
151244927
hexc84f0d

13127437 has 2 divisors, whose sum is σ = 13127438. Its totient is φ = 13127436.

The previous prime is 13127431. The next prime is 13127449. The reversal of 13127437 is 73472131.

13127437 is digitally balanced in base 3, 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., 13097161 + 30276 = 3619^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 13127437 - 211 = 13125389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13127431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563718 + 6563719.

It is an arithmetic number, because the mean of its divisors is an integer number (6563719).

Almost surely, 213127437 is an apocalyptic number.

It is an amenable number.

13127437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13127437 is an equidigital number, since it uses as much as digits as its factorization.

13127437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 13127437 is about 3623.1805088899. The cubic root of 13127437 is about 235.8992975031.

Adding to 13127437 its reverse (73472131), we get a palindrome (86599568).

The spelling of 13127437 in words is "thirteen million, one hundred twenty-seven thousand, four hundred thirty-seven".