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13487141 is a prime number
BaseRepresentation
bin110011011100…
…110000100101
3221101012212202
4303130300211
511423042031
61201024245
7222432053
oct63346045
927335782
1013487141
1176820a8
124625085
132a42b75
141b111d3
1512b62cb
hexcdcc25

13487141 has 2 divisors, whose sum is σ = 13487142. Its totient is φ = 13487140.

The previous prime is 13487119. The next prime is 13487147. The reversal of 13487141 is 14178431.

13487141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 3690241 = 3130^2 + 1921^2 .

It is an emirp because it is prime and its reverse (14178431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13487141 - 222 = 9292837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13487147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743570 + 6743571.

It is an arithmetic number, because the mean of its divisors is an integer number (6743571).

Almost surely, 213487141 is an apocalyptic number.

It is an amenable number.

13487141 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487141 is an equidigital number, since it uses as much as digits as its factorization.

13487141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 13487141 is about 3672.4843090203. The cubic root of 13487141 is about 238.0345323337.

The spelling of 13487141 in words is "thirteen million, four hundred eighty-seven thousand, one hundred forty-one".