Search a number
BaseRepresentation
bin101110111100…
…111100011001
3212011022202002
4232330330121
511122330444
61115450345
7206422052
oct56747431
925138662
1012308249
116a47408
1241569b5
13271c3b5
1418c5729
151131d4e
hexbbcf19

12308249 has 2 divisors, whose sum is σ = 12308250. Its totient is φ = 12308248.

The previous prime is 12308237. The next prime is 12308269. The reversal of 12308249 is 94280321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9193024 + 3115225 = 3032^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308249 - 28 = 12307993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12308269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154124 + 6154125.

It is an arithmetic number, because the mean of its divisors is an integer number (6154125).

Almost surely, 212308249 is an apocalyptic number.

It is an amenable number.

12308249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308249 is an equidigital number, since it uses as much as digits as its factorization.

12308249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12308249 is about 3508.3114171920. The cubic root of 12308249 is about 230.8866156446.

The spelling of 12308249 in words is "twelve million, three hundred eight thousand, two hundred forty-nine".