Search a number
BaseRepresentation
bin11000011010001
3122010212
43003101
5344442
6133505
751302
oct30321
918125
1012497
119431
127295
1358c4
1447a9
153a82
hex30d1

12497 has 2 divisors, whose sum is σ = 12498. Its totient is φ = 12496.

The previous prime is 12491. The next prime is 12503. The reversal of 12497 is 79421.

It is a balanced prime because it is at equal distance from previous prime (12491) and next prime (12503).

It can be written as a sum of positive squares in only one way, i.e., 10816 + 1681 = 104^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 12497 - 26 = 12433 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (12491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248 + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (6249).

212497 is an apocalyptic number.

It is an amenable number.

12497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12497 is an equidigital number, since it uses as much as digits as its factorization.

12497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 12497 is about 111.7899816620. The cubic root of 12497 is about 23.2060873840.

The spelling of 12497 in words is "twelve thousand, four hundred ninety-seven".