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13144297 is a prime number
BaseRepresentation
bin110010001001…
…000011101001
3220201210120211
4302021003221
511331104142
61145421121
7216503365
oct62110351
926653524
1013144297
117468561
12449a7a1
132952aba
141a622a5
151249917
hexc890e9

13144297 has 2 divisors, whose sum is σ = 13144298. Its totient is φ = 13144296.

The previous prime is 13144291. The next prime is 13144319. The reversal of 13144297 is 79244131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13039321 + 104976 = 3611^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 13144297 - 27 = 13144169 is a prime.

It is not a weakly prime, because it can be changed into another prime (13144291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572148 + 6572149.

It is an arithmetic number, because the mean of its divisors is an integer number (6572149).

Almost surely, 213144297 is an apocalyptic number.

It is an amenable number.

13144297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144297 is an equidigital number, since it uses as much as digits as its factorization.

13144297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 13144297 is about 3625.5064473808. The cubic root of 13144297 is about 236.0002453794. Note that the first 3 decimals are identical.

The spelling of 13144297 in words is "thirteen million, one hundred forty-four thousand, two hundred ninety-seven".