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13497641 is a prime number
BaseRepresentation
bin110011011111…
…010100101001
3221101202021122
4303133110221
511423411031
61201145025
7222504503
oct63372451
927352248
1013497641
117689a83
12462b175
132a47891
141b14d73
1512b947b
hexcdf529

13497641 has 2 divisors, whose sum is σ = 13497642. Its totient is φ = 13497640.

The previous prime is 13497629. The next prime is 13497667. The reversal of 13497641 is 14679431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10272025 + 3225616 = 3205^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 13497641 - 26 = 13497577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13497611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6748820 + 6748821.

It is an arithmetic number, because the mean of its divisors is an integer number (6748821).

Almost surely, 213497641 is an apocalyptic number.

It is an amenable number.

13497641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13497641 is an equidigital number, since it uses as much as digits as its factorization.

13497641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 13497641 is about 3673.9135809107. The cubic root of 13497641 is about 238.0962878055.

The spelling of 13497641 in words is "thirteen million, four hundred ninety-seven thousand, six hundred forty-one".